This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 17151. |
Solve : hdd failure? |
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Answer» i have two ide hdd in my system.i believe the one with the os is fixing to die. is there a way i can DUPLICATE the primary hdd onto another so i dont have to re install os and can go business as usualFind out who makes the 2nd HDD, |
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| 17152. |
Solve : Wiped Hard Drive .... Now what?? |
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Answer» I just wiped my hard drive completely after moving my files ... I want to start over with a fresh INSTALL of Windows XP but when I load it from an external cd drive it says "No operating system". What do i do?Do you have an internal CD/DVD drive ? ? |
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| 17153. |
Solve : Can someone help me with my video problem? |
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Answer» Hi my computer is acting very weird. I have recently installed a GAME and after running it for just 20 minutes, my computer crashes. when i restarted my computer there were vertical lines covering my windows start-up screen. the color of my wallpaper was also CHANGED, certain shades were OUTLINED and did not display itself in the full spectrum that i did before. When i loaded the game (spellforce 2) the 3d characters were distorted, the entire landscape was also distorted. |
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| 17154. |
Solve : Virsus ?? |
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Answer» While running AVG anti-virus w/firewall i am getting a virus notice: FS6519.dll.vbs in C:\Windows\ . The anti-virus program can not heal . Any suggestions om what to do next ? |
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| 17155. |
Solve : My CPU is a 3.20 GHz, but my CPU Speed is only 1577.5!? |
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Answer» Sorry, I'm just a high school chick and not a COMPUTER know-it-all! |
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| 17156. |
Solve : How do I detect a possible hardware error resulting in extreme sluggishness?? |
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Answer» I have had my Dell 8500 laptop for about 4 years with no problems. Its a little outdated now, but still holds its own with a 2.0 gHz P4 m processor, 1.5 GIG ram, and a decent mobile Nvidia card with 64 mb dedicated memory. Recently it has been acting incredibly sluggish and I figured it was time for a complete reformat and fresh installation of WinXP. I completely wiped out the hard drive and installed Windows fresh, but it didn't seem to help. In fact, if anything my computer seemed even slower! |
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| 17157. |
Solve : CD-Rom Drive not booting from startup. Urgent? |
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Answer» Hi |
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| 17158. |
Solve : Confusing Problem? |
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Answer» Originally my problem was that I'd turn on the computer, and beyond LED's lighting up and fans spinning nothing would happen. The monitor said no signal. I've since bought a new hard drive and motherboard. I was actually able to install and access windows, but then after installing the cd which came with the motherboard the computer was unable to reaccess windows. It said something along the lines of it couldn't boot off of windows, and I should TRY repairing it with the windows cd. I tried that, but partway through my monitor stopped receiving a signal and went black. After a few more tries it reverted back to the same issue I had in the first place, only LED's and fans do anything at all noticable. Update: Tried my old video card and nothing happened. Not a video problem. Do you have a different monitor to just RULE that out also? Try the easy things first. Who knows Yeah, I tried a different monitor and there was no difference. It can't post, of course.Well something was certainly wrong with the power supply... It sounded like firecrackers went off then it SMOKED. Hopefully this didn't damage the rest of the computer.We'll keep our fingers crossed... Don't buy a $19.99 special or you will be going down this road again very soon.Quote from: chard121 on May 22, 2007, 01:58:17 PM Well something was certainly wrong with the power supply... It sounded like firecrackers went off then it smoked. Hopefully this didn't damage the rest of the computer. Like Patio said don't get the cheap ONES. Try and get something about 30% more than you actually need. So if you system requires 300 watts get at least a 400 watts PS. If I remember right to figure that out you take Volts x Amps = Watts But from the sound of what you have, a 400 watt may be enough but if you have the extra $$ get a 500 watt it seems to me that having more power for your system they tend to last longer as they are not stressed as much. I hope this cures your problems and didn't cause any problems to the rest of the system. TrapperX Power Supply Calculator...Quote from: patio on May 23, 2007, 04:46:56 PM Power Supply Calculator... Thxs for the link I have never actually used a nice PROGRAM like this one Thxs Patio!No Problem... |
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| 17159. |
Solve : How do I combine a drive that has two partitions?? |
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Answer» I'm not sure if I'll be describing this right, but here goes. I have an old 850mhz compaq PC that I want to set up for my two young children to use, but in the process of updating drivers, etc, I was warned that I was dangerously low on disc space. Granted, its only got a 20gb hard drive, but there should have been plenty of space. Come to find out that at some POINT it was upgraded to Windows XP from WHATEVER version it was running previously, and instead of overriding the previous installation, it installed it on a separate 3gb partition, which is now completely FULL. Is there any way to comepletely blank out or reformat the hard drive and start over? I've got an XP pro disc so reinstalling windows isn't a problem, I just want to know how I can recombine the two partitions so it reads as a single 20gb drive, instead of the way it is now.The best method since a re-install is not a problem would be to use FDisk and delete all existing partitions...then PREPARE the drive again with FDisk using 100% of the available space for one active partition. What's the purpose of creating the WinME boot disc? Can't I just start the XP install once I've deleted the partitions? Or is it just easier to start the install from the ME boot? Absolutely it can be done this way. I'm just a creature of habit and i have had problems with XP's disk prepare tools beforeI would delete all partitions and set them up as I wish and reinstall, but that's just me. |
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| 17160. |
Solve : No sound in my speakers? |
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Answer» I'm running XP Home and after installing a new larger hard disc everything is running smoothly but not my Windows Media Player. although he does need a new set of drivers after the reinstall, wouldn't sndvol32 being in the system tray mean a sound driver of some sort is installed? Obviously the wrong one, I guess... Typically, yes, but I don't want to get into that until I found out what their hardware is. As SOON as we find out what his hardware actually is, we can take APPROPRIATE steps to get it all working properly. |
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| 17161. |
Solve : ROUTER/MODEM PROBLEM? |
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Answer» I am helping a mate resolve a problem she is having. |
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| 17162. |
Solve : Upgrading my Video Card + RAM.? |
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Answer» Hey guys! (first post, woot) Each memory slot can hold DDR2 PC2-4200, DDR2 PC2-5300, DDR2 PC2-6400 with a maximum of 1GB per slot.*Could you recommend me 2 x 1Gig sticks?I wouldn't chance a powerful graphics card with a 375W PSU. However I do have that exact card and it's great, it seems to be a new revision with a quieter, more EFFICIENT cooling setup. What speed RAM do you have at the minute? |
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| 17163. |
Solve : Unidentified problem...? |
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Answer» I tried searching the forum so i dont repeat a POST... but i really dont know what to search for. It's a bit of a niche problem i think... |
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| 17164. |
Solve : System recovery & resolution doesn't work!? |
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Answer» I try to change my resolution back to 32 bit but it outright refuses to change keeps jumping back to 4 bits which I have never SEEN before all thats ever been on my computer resolution is 16 bit and 32 bit I have tried everything I can think of to get it to work but nothing works now my computer screen LOOKS funny.What can I do to fix the problem? I have a Compaq Presario SR1902HM my monitor is a HP vs17e. 1. In Windows XP, click Start , and right-click My Computer. 3. Update Video Driver. Boot to Safe Mode with Networking; download and update video driver: NVIDIA Graphics Driver Update 4. Other Software and Driver Downloads: Software & Driver downloads |
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| 17165. |
Solve : Something happened... but what?? |
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Answer» I was disconnecting a USB cable from my computer when it was on, and the front USB port fell inside the (crappy) case. This has happened before, but this time it was DIFFERENT: the computer shut off and I smelled burning electronics, but this might just have been burning dust, as I was moving out of my dirty dorm at the time. I was disconnecting a USB cable from my computer when it was on, and the front USB port fell inside the (crappy) case. This has happened before, but this time it was different: the computer shut off and I smelled burning electronics, but this might just have been burning dust, as I was moving out of my dirty dorm at the time. sounds like something is fried from overheating due to dust on components where you testing your power supply with conductive metals before your omputer stopped working? A TROUBLESHOOTING page for this is: No power or computer does not turn on. I'm not aware of any tricks to test CPU or MEMORY off the motherboard.Thanks. Looks like I will need to replace my PSU and my motherboard. Ugh. I don't think this was dust buildup, because it happened right when that USB thing fell inside. I always wanted to replace that *censored* case, but never got around to it. Now it has ruined hundreds of dollars worth of relatively new parts.Yes I know it sounds silly but though USB is only 5 Volts...incredibly small voltage... if the pins on the little PCB touched the bottom of the case and shorted...it can take the whole thing with it Happened to me when i was still in the process of instaling it in my case and acidentally got the mobo plugs swiched so VSB +/- were the wrong way...worked untill I plugged in my USB flash drive and computer went BANG!(Motherboard and PSU) and never worked again (though the graphics card, RAM, CPU were safe) it also took my flash drive with it...R.I.P Sandisk Cruizer the 1st...haha Kurtis |
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| 17166. |
Solve : Set computer resolution too high? |
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Answer» There are two different settings there, one for resolution, and one for refresh rate, so I'm still not sure how they're connected.I am still having the problem. Ill CLEAR up a few doubts. When the 15 sec alert came up i could not see it caus the screen resolution changed. Then you did not click "OK" and it should have changed back. Quote I cannot enter into safe mode because the opening bios is in this new screen resolution.[/quoteok so do you know how to GTE to the Windows startup menu? If not tap F8 repeatedly just as the bios disapears from your screen, about 2ce a second. I know people say to do it otherwis...but I find this the most reiable METHOD, except when the BIOS has a "advanced boot menu" that comes up when you tap F8 at the BIOS screen...If this happens, select hard drive, and when you do, continue to tap F8. Now when you are at the menu, select Enable VGA mode from the list and then it will continue into windows, and set it to 640x480 at 60HZ You can then restart the computer and your resolution should be set to 640x480 and you can then change to which ever resolution you wish...I myself prefer 1280x1024 but that;s just me oh and BTW...Quote from: Dias de verano on May 04, 2008, 04:19:38 PM Quote from: Broni on May 04, 2008, 02:42:41 PMOh... This isn't true... Windows doesnt assign anything higher than 60hz unless specifically asked by you in the advanced section under the adapters tab Best of luck, Kurtis |
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| 17167. |
Solve : Crack in laptop casing? |
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Answer» Hello, yesterday I noticed a crack in my laptop's casing. |
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| 17168. |
Solve : issue with Canon printer fax? |
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Answer» Hi, |
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| 17169. |
Solve : Parity Circuit Failure? |
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Answer» I just put together a new computer; however, when I boot, I get two beeps and approximately 10 seconds later the computer SHUTS down. I looked up "two beeps" and it gave me parity CIRCUIT failire. |
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| 17170. |
Solve : disk goes into boot failure? |
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Answer» I had a new disk drive installed they left the old one so i could get my info off. my comp. booted fine until yesterday it went BACK to booting with my old hard drive. I called the tech and they said they could take the old one out and it would be fine. I removed it and my comp. booted fine. I shut it down so i could put the sides back on and when I turned it on it went into boot failure. I TOOK the sides back off and made sure I didn't knock anything loose and turned it back on. it kept going into boot failure. I tried this quite a few times. Then I tried turning it on again and it came on. now I'm SCARED to shut it down. I'm afraid when I try to turn it on again it will say boot failure again. what should I do?Sounds as if they may have forgot to set the jumpers correctly and or cabled it wrong. |
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| 17171. |
Solve : Installing new memory.? |
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Answer» Hello guys, i'm reading an operating system book and i was wondering about when we install a new memory to a pc. do number of frames increase ? and who / how is this taken care of. some clarification: i'm talking about "vitual memory / Paging: memory address and mapping". where : 1-memory is divided into non contiguous partitions called frames. 2-process virtual address is divided into pages 3-pages and frames are of equal size 4-there is page table that maps pages in processes to frames in main memory Thank you for your attention wow um let em try get my head around this...if you are saying...does virtual memory increase when more RAM is added to a computer? my answer is yes...because I cant remember the exact amount but there is a certain ratio windows tries to have as virtual compared to physical memory. and oddly enough...it works in the oppositte way to the way you think it would. the more ram you have, the more virtual memory is reccommended by windows. For instance, the computers at my school have 256MB ram...and the recommended virtual memory is around 300MB...however I have 768MB of ram and windows recommends 1154MB for me, which means when you add more RAM, Virtual memory will increase, resulting in the size of the page file increasing, meaning it will have to CREATE more pages, and therefore frames to be ready to be used when called upon Anybody correct me if I am wrong but thats my answer Kurtis well , i see! you are saying that when we add more ram , the virtual memory increases. but cant it be ? i mean..shouldn't the virtual memory be "somehow" of fixed size ? i read that if i have, for example, a 32-bit processor, the maximum virtual memory a process can get is 2^32. i'm not sure why ..but im 100% sure i read it in on of the articles i came across. i also read dat a 32-bit processor means that the processor can process 32-bits per cycle. what did they mean by "process"? did they mean "fetch-decode-execute ?" and why is it that if a process can executes 32 bit per cycle, maximum virtual memory a process can get is 2^32? thank you You can set the virtual memory size, yes, and it is recommended you set it to a fixed size, but windows by default changes it to suit what it thinks your computer needs. Quote from Wikipedia: "However, the page file only expands when it has been filled, which, in its default configuration, is 150% the total amount of physical memory." (that is with the Windows NT series eg, NT Workstation, 2000 and XP) so lets see it i am right... 50% of 768 is 384 so 150% is 768+384=1152MB...which is 2MB off what windows recommends to me for 256MB... 50% is 128 so 150% = 256+128=384...which i told you the computers at school ask for only 300 and something... and yes the 32 bits per cycle is correct because that is how 'wide' the bandwith path is. Say you had a stretch of road that is 4 lanes wide, and one full cycle would be 4 cars coming on as four cars come off, and if we make the cycle time being a second. the road would be 4-bit as it can only take 4 cars on to "process" a second so a bit is either a 1 or a 0, right? so in saying that, our road can take 4 1's or 0's at once during each second now our 32-bit cpu takes 32 1's or 0's a second, and the cycle time depends on the speed of the CPU...for instance a 1GHz (1000mhz) hz > mhz is 10^6.. so hz would = 1000x10^6 = 1000000000 cycles per second which means in total... our 32-bit 1Ghz CPU can take 32*1000000000 = 32000000000 1's or 0's per second. now with your fetch-decode-execute things...i believe it only means decode and execute, because different machines FSB speeds will generate different fetch/throughput speeds, though the CPU and FSB run at the same clock rate, if you compared two different machines, one with a slower fsb than the other...lets take a older one to show the difference... a 100Mhz FSB computer, compared to a 133Mhz FSB computer. The only difference you will notice here is if you exceed that of the 100Mhz data input per second and in which case the 133Mhz FSB computer will be better as it can feed 33Mhz of data a second more then the 100Mhz computer...now in saying this, you wouldhave to have identical processors to see this effect now with the virtual memory stuff...the virtual memory speed will be limited to the speed of the drive at which it is stored...if you didnt know, hard drives transfer at different speeds to the cpu and everything else, ranging from 25Mhz (UDMA 1) back then to 300Mhz (sata II) nowadays. Im GUESSING this as a older article as 2^32 is 4294967296bits = 4294.967296Mhz a sec...which I dont understand...It has me lost and i shall do some research quickly now copied from wikipedia...it makes a bit of sense to me might make more to you Contents of a memory location Each memory location, in both ROM and RAM memory, holds a generic binary number of some sort. How it is interpreted, its type, and meaning, and usage, only depends on the context of the instructions which retrieve and manipulate it. Each such coded item has a unique physical position which is described by another unique binary number, the address of that single word, much like each house on a street has a unique number. A pointer is an address itself stored, as data, in some other memory location. The interesting concept about items stored in memory: not only they can be interpreted as data—text data, binary numeric data, and so forth—but also as instructions themselves, in a uniform manner. This uniformity was introduced with von Neumann architecture and is prevalent in computers since the 1950s. Instructions in a storage address are contextually interpreted as command words to the system's main processing unit, and data is retrieved by such instructions placed in an internal and isolated memory structure called a storage register, where the subsequent instruction can manipulate it in conjunction with data retrieved into other internal memory locations (or internal addresses). Registers are the memory addresses within the part of the central processing unit known as the arithmetic logic unit (ALU), which responds to binary instructions (machine code) fetched into instruction registers selecting combinatorial logic determining which data registers should be added, subtracted, circulated (shifted), and so forth at the low machine language level of binary manipulation of data. [edit] Word size versus address size A word size is characteristic to a given computer architecture. It denotes the number of bits that a CPU can process at one time. Historically it has been sized in multiples of four and eight bits (nibbles and bytes, respectively), so sizes of 4, 8, 12, 16, 24, 32, 48, 64, and larger came into vogue with technological advances. Very often, when referring to the word size of a modern computer, one is also describing the size of address space on that computer. For instance, a computer said to be "32-bit" also usually allows 32-bit memory addresses; a byte-addressable 32-bit computer can address 232 = 4,294,967,296 bytes of memory, or 4 gibibytes (GiB). This seems logical and useful, as it allows one address to be efficiently stored in one word. However, this is not always the case. Computers often have memory addresses larger or smaller than their word size. For instance, almost all 8-bit processors, such as 6502, supported 16-bit addresses, or else they would have been limited to a mere 256 byte capacity. Similarly, the 16-bit Intel 8086 supported 20-bit addressing, allowing it to access 1 MiB rather than 64 KiBs of memory. Also popular Pentium processors since introduction of Physical Address Extensions (PAE) support 36-bit physical addresses, while generally having only a 32-bit word. A modern byte-addressable 64-bit computer—with proper OS support—has the capability of addressing 264 bytes (or 16 exbibytes) which as of 2007 is considered practically unlimited, being far more than the total amount of RAM ever manufactured. [edit] Virtual memory versus physical memory Main article: Virtual memory Virtual memory is a mapping of real memory to page tables. The purpose of virtual memory is to abstract memory allocation, allowing the physical space to be allocated as is best for the hardware (that is usually in non-contiguous blocks), and still be seen as contiguous from a program perspective. Virtual memory is supported by some operating systems (for example, Windows but not DOS) in conjunction with the hardware. It is possible to think of virtual memory as a filter, or an alternate set of memory addresses (that are mapped to real address) that allow programs (and by extension, programmers) to read from memory as quickly as possible without requiring that memory to be specifically ordered. Programs use these contiguous virtual addresses, rather than real, and often fragmented, physical addresses, to store instructions and data. When the program is actually executed, the virtual addresses are translated on the fly into real memory addresses. Logical address is a synonym of virtual address. Virtual memory also allows enlarging the address space, the set of addresses a program can utilize and thus allows computers to make use of secondary storage that looks, to programs, like main memory. For example, virtual address space might contain twice as many addresses as main memory with the extra addresses mapped to hard disk space in the form of a swap file (also known as page file). It copies them back (called swapping) into main memory as soon as they are needed. These movements are performed in the background and in a way invisible for programs. hope all of this helps KurtisWAOW, that was EXTREMLY helpful! thank you so much. lots of things are clearer in my head now. i still have this confusion, i copy-paste : "very often, when referring to the word size of a modern computer, one is also describing the size of address space on that computer. For instance, a computer said to be "32-bit" also usually allows 32-bit memory addresses; a byte-addressable 32-bit computer can address 232 = 4,294,967,296 bytes of memory, or 4 gibibytes (GiB) " what does it mean ..32-bit computer can "address" 232 = 4,294,967,296 bytes of memory? what do they mean by the use of "address" verb.?basically you can replace it with the word "use"- a 32-bit processor cannot "Address" more then that amount of memory- it is somewhat analogous to street numbers on houses, if we only used one number, you could only "address" 9 houses on a block. Since computers use binary, they use only 1's and 0's for the memory "street addresses", and they are 32-digits long. also, it is interesting to note that the word size (Ie, 32-bit) that a processor accepts does not necessarily dictate the size of memory it can address (again, use is a comparable synonym), but rather the address space of the processor. As a quick example, the Pentium Pro Processor was a 32-bit processor, but had a 64-bit address space (I believe) and could thus address up to 2^64 or err- a lot of memory! (I believe 4TB, not sure) EDIT: I looked below and part of the Wikipedia article kind of explains this. Oh well. Of course it generally isn't theoretically possible to install the maximum addressable amount of memory in a computer not just because it would be prohibitively expensive but also because of motherboard limitations. Even though the Pentium processor could address 4 gigs of RAM, generally motherboards of the time maxed out at a measly 64 megabytes, and even if a renegade board allowed the installation of more RAM, the chipset Intel provided to motherboard manf. for the Pentium could only cache the first 64 megabytes anyway, dramatically reducing performance if any more were installed. Of course, this was solved in later pentium chipsets. and re. kurtiskains post: Quote from: Kurtiskain on May 03, 2008, 07:16:44 AM
that's right, but the reason it is off 2MB is because windows rounds up to the nearest multiple of 64MB- 1154/64=18 but now I'm getting off topic. whew, I new all those long hours spent reading almost every single article in the April 2000 snapshot of the MSDN library would be useful some day!haha yeah I cant even believe i got some of that myself...16 Year old student here lol so its still kinda over my head but yeah training to be a computer admin so gotta learn as much as possuble! I didn't really do any research for that, so some of it might be wrong. Just taking it off the top of my head. I have no idea where I learned these things from at all. I think it all started around 6 or 7 years ago(I remember it like it was yesterday!) when I started batch programming on a 286 computer in my closet (yeah, a 286 in 2002. a bit sad...) which, BTW, could address 16MB of RAM. of which I had 1MB woopee! No windows for me either. DOS 6 and two 50MB hard drives yes, I said MB. I sometimes think back and wonder how I ever managed to do anything useful on my old computers. Hey! I still have the BIOS chips from the 286. I'm sure they will be worth something someday. strangely enough, 6 years ago I was 15. I think I followed this path: Batch files->QBasic->Visual Basic 2->Visual Basic 6... and uhhn, I have .NET but have yet to find a good reason to learn it. I also learned C++ and stuff which may explain why I learned all that memory stuff. Now if only I could get a tech job (!)kurtiskain, are you serious you are only 16 ? and you "BC_programmer", you started at the age of 15 ! wow..guys you rock well i have this question, who decides how many physical page a process should have in memory. in other words, who decides how many page entry a page table should have ? the funny thing is the only reason I ever started was because my d**n parents god rid of my N64 and SUPER Nintendo! I'd still only have that 286 if it wasn't for my Computer Science Teacher in High school, who gave me all sorts of computer stuff. Not the least of which was my only recently promoted to former computer, an AMD K6-2 I'm not sure what you mean when you ask how many physical page a process should have in memory- and are you asking who decides how many entries a pagetable should have? If memory serves, you can change the number of system PTEs with the registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management and the pagedpoolsize and SystemPages entri... OMG I need a life. anyway, as I was saying... I don't quite understand your first question, but I think your asking what decides how much physical memory a process recieves. Since the windows Virtual Memory Manager (or any VMM, for that matter) is responsible for paging data to disk and back transparently, it is the VMM that decides what processes get more physical memory. In general, the more "active" an application is with dealing with memory, the more physical pages it will receive. There are exceptions however, for example, if a program allocated 32MB of ram without the volatile attribute (more on that later) and never used it, it's likely that the VMM will page it to disk, freeing the memory for applications that actually want to use the memory. If the memory is marked with volatile (this is the C/C++ keyword, don't know the actual tag used in the pagetable), it instructs the VMM to keep the page in physical RAM unless the system itself requires the memory As Far as I know, (at least with Windows) the kernel only has a certain number of PTE's. This is why if a driver leaks even a single PTE in any of it's driver functions, the system will crash with the "OUT_OF_SYSTEM_PTES" (or something like that) error. I'm not sure what the maximum is.... Oh I was wrong, the actual error is NO_MORE_SYSTEM_PTES. I was close The saddest thing about this is I haven't ever made a serious program in C or C++. And I'm actually not quite sure how old I was- I think it was grade 10 though- might have been Grade 9, not sure. darn it! I can remember my student ID but not which grade I started getting into computers and stuff! The last few years seemed to be h**l on everybody else, but gr 11 and 12 were when I actually started getting good grades. 100% in advanced placement computer science 12 when I was in grade 11(don't know how I got 100%, I did jack-diddly in that class. In fact I think I was just surfing the net half the time, and working on my "Poing!" game the rest of the time). I remember the teacher laughed quite heartily at some of my comments: 'Oh, uh, this line of code does something, but I'm not sure. *censored* am I, your guide? 'Ok, now we do stuff 'once this loop is done, we can do it again for no reason. 'I think thats the right variable... and my personal favorite: 'determines the existence of a file. returns true if the file exists. Raises an error if one occurs. Also raises an error every second saturday, just to keep you on your toes. (alright, it might not be as funny as the others, but still...) anyway- any more questions? lol actually dat was really funny i should try one of these in my code .lol listen, mind if i add you on msn ? looking forward to get to know you better meanwhile , i'll ask you here sorry my question wasn't clear. Let me try again. ( and plz correct me if any of the things i say are wrong ) when i write a program and i compile it, the compiler will generate a virtual address for the process. (starting from 0) . This virtual address will be divided into pages, (lets say 10 pages from 0 to 9 ). The MMU will then create a page table for the process that maps the virtual adresses to physical addresses. this page table will be kept in memory as long as the program is still alive. ( once the program terminates or is killed, the partition in which the page table was in will be freed ). this page table will have a size. ( number of entries) .and each entry maps virtual memory to physical memory. As you pointed out, the system has certain number of PTE's , well let me stop a bit here. i didnt know that, i thought that for each process, the MMU will create table with no restriction on its number of entries. because as i know ,the number of entries in a table, depends on the number of bits in the virtual address and the page size. since in a system the page size is the same and the number of bits in the virtual address is the same, then all the processes will have the same number of entries in their page table .... im confused what im saying is : Assume a page size is : 1KB (2^10) and i need to map a 32-bit address.(2^32) so 2^22 is the number of entries that the page table will have ...right ? as for the underline- well I fixed it- I forgot that these posts use wacky html with square brackets instead of angle brackets! (woops) Anyway, I'm really not really knowledgable on memory management as far as the hardware is concerned. I can get around though- but with the software side I can pull all sorts of stuff out of my head (or *censored*, as the case may be). SO now I might learn something. Now, bearing that in mind, here are my attempts to amend some of your statements. Perhaps incorrectly. or perhaps correctly. But definitely not sideways. (what?...) OK, first, I was talkin' about VMM, and now you are talking about the MMU. But I don't think there is a chip in the computer called a "memory management unit". Almost all memory management occurs on the software side. Why, with a quick search I found an article in the MSDN that most likely is where I originally gleaned some of my info from at some point years ago: http://support.microsoft.com/kb/247904 reading the article we learn that the 4GB address space is mapped into 2GB for the system and 2GB for the active process, which I imagine will be paged back and FORCE depending on the active app. And now my head hurts! But I'll tackle one more! with the last q about the number of pagetable entries. I don't think the system makes pagetable entries for every single addressable part of RAM- Don't worry that your question wasn't clear- I know where you live I'm easily confused! also, my MSN is.. oh wait- not SUPPOSED to say here ha! I put it in my profile I think... I don't run Messenger a lot though. but yay! I'll have a grand total of three contacts! I could make that four- I wonder if I can add myself.... well, I can't add myself (darn!) but I added you. So there u go! Also, don't worry, they purposefully make computers as confusing as possible to keep older folks wary of "them 'puters thar", they use fancy words like "eight track" and "rock & roll"... wait a second- what was I talking about again? |
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| 17172. |
Solve : Notebook computer won't boot up... generally speaking.? |
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Answer» I sure am. I sent them my info and now they have to send me packaging and whatnot. They'd better not change their minds Hold on- I had this exact problem with one of my laptops if I had the battery installed. Try removing the battery and just running of AC if it will let you... |
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| 17173. |
Solve : Compatibility issues w/ upgrades? |
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Answer» Well, like the subject says... I don't have much experience with computers and I am TRYING to upgrade my graphics card. I have an HP a562n, mostly stock. It has a GeForce FX5200 NV34 8X AGP right now. I have intel 3.0 ghz proc. I tried to upgrade my card before with a 7200 BFG??? and it did not turn out well. The computer would run for a little bit, then the monitor would go black. I couldn't GET it to work right, so I took it back. |
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| 17174. |
Solve : AMD K6-2 running at 80 degrees celsius!? |
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Answer» I haven't had this problem in a while, but I thought it was extremely strange when I saw the temp for the first time. |
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| 17175. |
Solve : Moving RAID? |
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Answer» Hi guys, slight problem, my Windows XP completely messed up and im unable to load the OS. Ive got a lot of stuff on my hard-drives that i really need. So was thinking of attaching it to another comp moving the data then formatting the drives. Its on RAID 0 (stripe), you think it would be possible to do that?Don't take the hard drives out. You'll probably end up LOSING the array. Try using a linux live cd to boot that computer, like ubuntu or helix, to get access to your data and burn it to a dvd. |
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| 17176. |
Solve : How do I share a network speaker?? |
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Answer» I have one very nice speaker and I would like to share it with another computer. One computer has XP HOME and the other XP Pro. I can't find anywhere to enable sharing on a speaker, but I heard it could be done. you have to get a kvm switch to do that there are some that you can get that has an audio cable with it. A KVM switch is another way of doing it, if you find one that will share the audio as well. However, a KVM switch is a bit much considering he only wants to share audio, not input devices and video. They can range from $15-$300 depend on what you want it to do.Had a feeling it would be something like that. I thought that it was possible to do it a little easier but what ever. |
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| 17177. |
Solve : Computer Shuts off upon start-up? |
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Answer» Okay, prior to the problem of the thread title, for about 3 weeks everytime I would start my PC the CPU Fan would kick on "overdrive/high intensity" fairly often...I know that when the system gets hot this is normal, but it was doing it more & more frequently. is it still possible it's not mounted right? yes. Quote If so, why is it giving me a problem now- not when I bought the system? assuming you have an intel CPU, stock intel CPU heatsinks use a type of pushbutton mechanism to lock it into place. it is very common for inexperienced PEOPLE to firmly attach the heatsink to the motherboard, but forget to lock it into place. without locking the heatsink in place, the fan will eventually vibrate the heatsink loose. here is a good guide for INSTALLING a stock intel heatsink. http://www.hardwarezone.com/articles/view.php?cid=19&id=1215&pg=6 Did you hook up the CPU fan properly after dis-assembling ? ? If it is on High all the time it may be the leads are backwards...consult your MBoard manual. You may want to CONSIDER replacing it if the machine is more than 3-4 years old.Ok, new problem grrrr.... I have not attempted to start the machine up since I got it back from diagnostics. After applying the thermal paste I gave it a go & yay! It started up, did not shut down. New problem is the Monitor Shuts off & goes to sleep upon startup. Tried turning it off & on, hitting keys, clicking mouse- but no luck. Can't even get on the starup screen because of this. All the connections are secure. So I open the PC back up, noticed a set of wires weren't even plugged back in to a set of prongs. Thought maybe that was it- but no luck. I know there is nothing wrong with the video card because BB tested it. Is there something else I should look for that might be lose & causeing this issue?I had this problem with a computer where I worked and it basically froze up when in standby mode then when we restarted the pc it was fine I don't know if that's the problem but you said that the connections are secure right. What I would do right now is pull the vid card out just to double check and then put it back in. The reason the monitor went into sleep mode cause it's not getting the signal it needs to be awake.it could be as simple as pulling the vid card out and putting it back in. |
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| 17178. |
Solve : Overheating PC? |
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Answer» Hi, The reason it was shutting down is because it's protecting other components on the motherboard Er - no. It was protecting itself.What you need to do is this. Clean the existing thermal paste(the Grey STUFF) off the part (it is the processor) Get some thermal paste from a computer store and apply to the processor following the directions. Then you can put the heat sink and fan back on. Make sure you get it on properly and the fan is plugged in. When you start the computer, leave the SIDE off the case off. Make sure the fan spins when you start the computer. If it does not, shut the computer off and buy a new fan. I knew that dias lol I guess my mind was elsewhere when I was typing lol |
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| 17179. |
Solve : Upgrading Pc?? |
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Answer» Manufacturer: ASUSTeK COMPUTER INC. |
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| 17180. |
Solve : Gaming Board? |
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Answer» So I want too upgrade some of my units, and be able too play some of my games on a machine that I made for the sole purpose too game on. I am going too be useing most of the parts that I have all ready and just mainly need a board and heat sink. I will be useing the cards and the old board and replace one of my older servers and have it run Server 2008. I have a AM2 + CPU and DDR and DDR 2 RAM, has PCI and least have more then 3 slots. I am wanting too play Dead Riseing 2, AC Brother Hood, Skyrim..... I am going too be useing most of the parts that I have all ready and just mainly need a board and heat sink. Quote I have a AM2 + CPU and DDR and DDR 2 RAM, has PCI and least have more then 3 slots. I am wanting too play Dead Riseing 2, AC Brother Hood, Skyrim..... I wouldnt waste any money on a build like this with those games. If you had a motherboard with an AM3 socket and added a quadcore, that would be a STARTING point for the games you listed to run without issues. Additionally DDR2 is a minimum for the memory for the motherboard to accept, DDR3 being better. You can buy a brand new Socket AM3+ motherboard and be able to go cheap on a used AM3 quadcore such as the Athlon II x4 620 2.6Ghz minimum or spend a little more for a Phenom II x4 or x6. Later if you want or if you have money now you can install a FX CPU with better performance such as an 8-core CPU into the AM3+ socket. Additionally, I would never suggest using a Server OS for gaming. The fact that your going to use Server 2008 as the base OS for this gaming system build makes me question if its a legal licensed copy or a pirated copy with a build that you were suggesting where you seem to not have the money to buy better hardware for games that should really be played on better hardware and Server 2008 is not a cheap OS.So a ICORE 2 would not be good too use either Core 2 Duo = I core 2 ..... You would need an Intel Motherboard socket 775 that supports the CPU. Some socket 775's only support up to Pentium 4 or Pentium D's, it all depends on the chipset on the motherboard. If its an older 865 or 915 chipset its likely to only support Pentium 4 and maybe some Pentium D and not Core 2 Duo. If you go the route of a socket 775 Intel motherboard, i'd go for a Core 2 Quad minimum for those games If you go the route of a socket AM3 AMD motherboard, I'd go for a Athlon II x4 Quadcore minimum for those games * If you dont already have the parts on hand to just assemble from older computers mixing and matching parts then it might make more sense to buy new parts such as a more modern AMD Quadcore if your looking to skimp on price. Do you have a budget and if so how much do you have to go into this build? That having been said.... I have run Skyrim on my wifes computer with a Intel Core 2 Duo E6600 Dual-Core at 2.4Ghz and 4MB L2 Cache with Geforce 9800GT 1GB video card and 3GB DDR2 667Mhz system RAM running Windows 7 32-bit Home Premium. The game will run, but you have to back off on the graphics and even when you back off on the graphics the CPU is pegged at almost 100% for both cores to keep up with Skyrims demands. Additionally when some big event happens in the game, the CPU and GPU go into an overload condition in which the SOUND and video get out of sync for a few seconds until one or the other or both are able to catch up to the work load. I have played Skyrim on my Athlon II x4 620 2.6Ghz Quadcore and ASUS AMD Radeon HD5450 1GB video card with 4GB DDR2 800Mhz Gaming Quality Corsair XMS2 RAM running Windows 7 64-bit Home Premium and it runs Skyrim better than the Dual-Core. Resources show the CPU at 70% for this CPU when gaming and if I had a better video card in the system it would smooth out. But given my wifes computer was core FLOODED to 100% for both cores playing the game, I suggest a quadcore instead that is rated fast enough to match that of the system requirements.Quote from: DaveLembke on September 27, 2015, 06:23:12 AM Core 2 Duo = I core 2 ..... You would need an Intel Motherboard socket 775 that supports the CPU. Some socket 775's only support up to Pentium 4 or Pentium D's, it all depends on the chipset on the motherboard. If its an older 865 or 915 chipset its likely to only support Pentium 4 and maybe some Pentium D and not Core 2 Duo. So in other words it really wouldn't be good too use, I would have too get a board for it if I did use it. I was thinking the AM3 but, I don't know what for board be good too use since mostly all mine are Intel. I also, need it too be a ATX with least 3 PCI Slot's DDR or DDR 2 IDE Controller If buying new it looks like the DDR2 based motherboards have been removed from inventory from main component chains. To go with DDR2 motherboard you would probably have to buy used or find a online retailer that has one that is not at a premium. I have seen boards that shouldnt be worth more than $40 listed for $169.99 before as some people sit on old new inventory that is obsolete, but never opened to jab people for the fact that they have that old PART new that must have a value greater than original price tag, when to 99.9% of the population would laugh at the price tag and say good luck getting that much for an obsolete board when you can build a new barebone for about that price with Motherboard, CPU, and newer DDR3 RAM. Looked for both Socket 775 and AM3/AM3+ Boards and all thats available through major online retailer are modern stock that require DDR3I was hopeing, too get away with not too get new RAM either but, that leaves the old for the Server and would make it faster with the 4 GB in it. I still need a board with those spec's though too reduce the costI am also, guessing that I won't find any boards with a Floppy Drive connection eitherYour motherboard will make no real difference to the performance. For gaming you most likely need a new video card but given the age if the system I'm not SURE if it's worth spending any money on. http://www.newegg.com/Product/Product.aspx?Item=N82E16819113368&Tpk=AM3 http://www.newegg.com/Product/Product.aspx?Item=N82E16819113369&cm_re=AM3-_-19-113-369-_-Product from what I see this chip would be good too use along with this board http://www.newegg.com/Product/Product.aspx?Item=N82E16819113368&Tpk=AM3 - 8MB L3 Cache 4MB L2 Cache http://www.newegg.com/Product/Product.aspx?Item=N82E16813132513R Far as RAM I was thinking Kingston but, I need it too work in pairs.If you want to game you are also going to need a video card, at this point you are basically looking at a whole new machine. |
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| 17181. |
Solve : Snap Drive? |
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Answer» Think I ll try a restore that should re name the messed up name I guess not sure what else to do ; then must be free software to do what I want to do ; without having to worry about CMD / drive letters etc http://www.infonautics.ch/directorylistprint/ Ok the restore WORKED and the name is back but now how to get files in a folder on the snap drive and can i get a file list from an external HARD drive hum : (Use the free software I gave a link to. It might be better if you phrase your questions a bit more clearly, saying EXACTLY what it is you are trying to do. the file directory software makes no sense must be an easyier way . . .What do you MEAN "no sense"? Don t get how to use it no instuctions Full manual available by clicking Help. Confusing steps in help to much of a hassle maybe i will transfer what ever i want to print out to snap drive then select all from the folder to the FLASH drive then print txt out that might work worth a shot or look for other free file directory with fewer steps . . . |
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| 17182. |
Solve : Resource Monitor History? |
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Answer» Hi, You could use the built-in Performance Monitor (I know it sounds similar to Resource Monitor but it's not the same) as this can collect data over time, it's perhaps not the most intuitive tool to set up and use though. Thanks Calum. My current spec is below. i5 CPU 750 @ 2.67ghz 8GB Ram 1 TB Samsung HDD ATI Radeon HD 5700 series With my work I have a lot of CHROME windows & tabs, Excel docs and automated program running contantly performing tasks. A few times a day I'm getting lag/not responding messages. Usually my CPU is around 50%-70% and my RAM is around 1-2 GB available. I've heard a lot of people raving about SDD, could upgrading to one make all the difference? ThanksQuote from: pokerjk on November 17, 2015, 01:31:15 PM I've heard a lot of people raving about SDD, could upgrading to one make all the difference? Absolutely, and they're a rather inexpensive upgrade these days too. Your HDD is definitely the weak point in your setup right now. It's worth checking Resource Monitor when you run into the lag issues, I suspect you'll see the disk active time (basically CPU usage percent for your drive) spiking up, causing everything to wait while the HDD serves whatever data is being requested, but it's worth checking as you could also be running out of RAM - 8GB should be more than enough for most general usage but it's quite easy to eat through memory with modern browsers and web pages being what they are. Running out of RAM will mean you start hitting your page FILE which thrashes your HDD and will cause major slowdowns. Sorry for rambling a little heh, to summarise - your idea of using resource monitor to see what's maxing out is definitely worthwhile, I suspect it'll be the HDD, upgrading to an SSD would make a worthwhile difference even if the HDD isn't the cause of this specific issue, it's possible you could use a RAM upgrade but it depends. Edit: just saw your CPU usage, that seems quite high for general usage - is it being used by what you'd expect, i.e. the programs you're running, or is it something running in the background that you may not be aware of? If you're not expecting this usage then definitely investigate this.Thanks Calum! I think I might go for this SDD then http://www.amazon.co.uk/Samsung-2-5-Inch-Solid-State-Drive/dp/B00P73B1E4/ it has decent reviews. For the CPU I'd say the green line is around 50% most of the time and the blue line 80%-100%. I'm a bit confused about what the difference is between them. The main resource hugger is Chrome, all the tabs and extensions I need :/ The 850 Evo is a good drive YES, can't go far wrong with it for that price. If you have the time, do a fresh install onto the drive as well, but if you don't have the time or patience then it's fine to clone your existing OS onto it, the free Macrium Reflect is great for this. It's worth making sure the firmware is up to date on the drive once you're up and running with it, Samsung have the "Samsung Magician" software which will update the firmware for you, I'd also recommend disabling "RAPID mode" as it has very little real-world benefit and can cause issues. The blue line is the clock speed of the processor, if it's at 100% then the CPU is at its maximum clock speed, if it's lower than the CPU is throttling down either because it's not fully loaded and can therefore downclock to use less power, or it's overheating (the former is more than likely the case, this is normal and nothing to worry about). If you're using Chrome quite heavily then I wouldn't be too surprised to see the CPU HOVERING around that usage really.I'll go for that then and go for a fresh install as I'm sure there are lots of files that have clogged my system up over the years, cheers!Indeed, a fresh install would probably pep up your system as it is, but the SSD will make a much more noticeable difference - combining them both would be even better. I'm sure you'll be pleased with the results |
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| 17183. |
Solve : I downloaded SpeedFan and was wondering if my laptops temperatures are ok? |
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Answer» For cpu 1 and cp2 its usually in the 40 ish celcius and sometimes it reaches 50c, for some reason the flame/fire icon appears when it gets to 50c and i heard thats not good, I thought 50c is a good temperature?50 is fine...lookup yer specs just in case... In Speedfan, you can adjust the warning temperature when the flame symbol appears, for each core of your CPU. It's in Configure, on the Temperatures tab. By default it is 50 degrees C, which as Patio says, is an over-cautious figure for most if not all CPUs. Select a core and you can set the warning temperature. In the image below you can see I have set the Core 0 warning temperature to 70 C, which is a realistic figure for an i7 4790 CPU. Since you have not stated your CPU type, we cannot advise what setting you might want to use. Its i5-4210Yi5-4210Y - maximum operating temperature of 100C. You could set the alarm at 90 or 95 I guess. If your CPU gets to 105 it will shut down AUTOMATICALLY. |
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| 17184. |
Solve : Good hardware, bad performance?? |
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Answer» Hi, I am new here; I tried to post in the most relevent topic but my problem may be more broad than hardware. Please point me to the right topic if this is the incorrect one. |
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| 17185. |
Solve : Floppy Drive 3,5" problem? |
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Answer» Hello, |
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| 17186. |
Solve : PC Upgrades ?? |
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Answer» I have never upgraded a computer in my life, I have no knowledge of what exactly I'd need to upgrade. My computer is only about 4/5 years old, my grandparents allowed children to freely play on it and since then it has become extremely slow. I am an avid gamer and would like to upgrade my PC into a gaming computer. I wanted to ask what would be the basic upgrades needed and how much that'd cost or should I just BUY a whole new computer? I will have to put my computers make and model later as it is extremely LATE. If this isn't enough detail please TELL me what I need to tell you.We will need your computer spec to know if it is upgradeable. It may already be running at it's top specification. (i.e. it has the most memory it can have.) |
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| 17187. |
Solve : dimensions of a laptop sata hard-drive? |
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Answer» I have a Satellite C55D-A LAPTOP and lost the sata hard drive. I want to get an enclosure, but I'm having trouble finding the type of enclosure I saw once. It attaches to the hard drive without taking it out of the computer and connects via usb drive to the computer, which means you could boot off it (I'm PRETTY sure, by making the usb drive bootable in setup) as opposed to just being able to retrieve data. Also I'm not sure of the size, though their tech support could probably help me with that. Does anyone know the name of this device? I WOULD be grateful for any help. Thanks in advance. For a laptop you need a 2.5" drive, it's a standard size. That said, there is no such thing as an enclosure that does not require you to remove the drive from the computer nor can you boot WINDOWS RELIABLY from aa USB drive. |
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| 17188. |
Solve : Computer won't boot after a Power Supply swap? |
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Answer» Hey i just swapped my old power supply for a new one on my computer and now my computer won't boot again sometimes the fans will turn for a fraction of a second and then nothing i need help x-supply 550wNever heard of that brand, doesn't fill me with confidence over the quality of the unit. Also, please break your replies up into proper sentences, that was almost impossible to read.When working on a motherboard, there is the chance o losing the CMOS settings. It will revert to a set of default settings that cause the thing to stall during boor up.cameron gray, i did what you asked me to and it didn't work. Tomorrow i will head out to buy a new power switch just to see. I think it is psu related because it never did that before. and what should i do geek-9pm for the cmos? |
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| 17189. |
Solve : Portable HD Not 'Seen' on New Laptop? |
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Answer» I think I need a better vocbulary, I've Google "USB drive won't mount" and "USB drive not recognized", but I don't know that other people's problems are the same as mine. ... my laptop is literally just out of the box...You have done enough. Your external drive requires a small amount of power. The laptop should deliver it. Likely it does. Why it is not seen is a mystery. Because this is a new laptop, now is the tire to call Dell and tell them. Just because it is new does not mean it is perfect. In fact, new PCs and laptops do fail sometimes. It is a fact. Let Dell figure it out. You should send it back ASAP. But first talk to them. EDIT: Here is the manual for the WD drive. http://www.wdc.com/wdproducts/library/UM/ENG/4779-705063.pdf The manual indicates the drive will mount before the software is installed. You will find the setup on the drive itself. However, did you perhaps reformat the drive? If NEEDED: http://support.wdc.com/downloads.aspx?DLGreat. Thanks. It's a work computer, so it goes through, like, seven gates of Help before reaching Dell. I was on the phone with our external support team when we discovered t he issue (was going to use it for a local move of My Docs rather than OTA.) They seemed stymied, but we had higher priorities at the moment.... I just wanted to make sure that you guys didn't all log on and say, "Duh, everyone knows laptops built after July 2015 don't support WD drives...."WD's enclosures for that drive don't exactly have rave reviews...does it work on other PC's ? ?Quote from: rjbinney on November 15, 2015, 10:16:59 PM I'm wondering if it's a matter of the new Dell not throwing off enough power? That it's enough to turn the light on, but not I/O data? But is that even reasonable, that they would make a business laptop that wouldn't work with the most basic of peripherals? It's possible. When a device is connected to a port, the port, as per the standard, only needs to provide 100mA of current at maximum. This is not enough for any external drive, though. What happens then is that the drive negotiates for more power. According to the USB spec, a USB 2.0 host can only provide up to 500mA of current per-port. Most external drives require more than that to spin up their drives, except for very low-power versions, mind you. So how does that work? USB has a separate specification called the Power Delivery Specification. This tends to get supported on the vast majority of devices, and allows a device to negotiate for far more current (I think the limit is up to 2 Amps). However, support is not universal. It could be the case that the system you have doesn't support the Power Delivery Specification. Another possibility could be that the in-circuit semiconductor fuse for the USB port(s) causes an effective current limit of less than 500mA. For the device this could be pulling down the voltage, causing the logic board to be unable to do it's work, like a semi-conscious accountant being asked to do taxes. From what I was able to find, a 2.5" WD Passport drive needs 600mA to function properly. so it is possible this is the case. I was able to find some other references to some laptop systems having issues with devices that require more power, and others not. One option is a USB Y-Cable. You would be able to connect the drive to two USB Ports, and one is used for more power, allowing for 1A which should be enough for a drive like that. Hm. Wouldn't that be odd that something billed as "for on-the-go professionals" wouldn't support something like a portable drive? What questions do I need to ask the folks that bought this/specced this to find out if I have the "Power Delivery Specification" protocol described? And if it does not, is there anything to do - other than buying a new cable? And, theoretically, there's an "INTEL USB 3.0 eXtensible Host Controller" and "USB 3.0 Root HUB"... So would that mean there's a port that draws more power?Quote from: patio on November 16, 2015, 09:35:40 AM WD's enclosures for that drive don't exactly have rave reviews...does it work on other PC's ? ?Quote This is on my new Dell Latitude E7250; the same drive with the same cable mount immediately (on all ports) on my other Dell Latitude, an E6430. I have tried both with 65W and 90W power supplies, the 6430 work fine with both power bricks, the 7250 with neither. Both are running Win 7.Only other one I have access to. I may be able to try a similar-to-the-7250 tomorrow. And, on the Y cable front.... There are three ports on this laptop, one on the side and two on the back. The two on the back are about EIGHT inches apart.... Doubtful I'll find a cable to accommodate that? |
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| 17190. |
Solve : searching text on ipad pdf's? |
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Answer» is it possible to search for text e.g. names across MULTIPLE PDF's in file MANAGER on ipad. |
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| 17191. |
Solve : My graphical party needs to stop? |
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Answer» I'm going to attempt to explain in the greatest detail what happened to my computer and split it up into chunks for easier reading. Questions. The computer is around two years old I'm not sure if the time is correct, I haven't checked There is no integrated VGA There are no odd sounds or smells The graphics card does have a fan, it is a little dirty but I cleaned it a few months ago. I clean my computer regularly with compressed air. Yes, I removed and re-seated the graphics card. This attempt resulted in complete loss of display on the monitor. Other times I removed and re-seated it did not do this.Did you say that you can get into the BIOS and have a normal display? I doubt a failing RAM stick would do this. You are using Windows 7? Can you boot in Safe mode? What is the model of the computer or the motherboard? What is the model of the Graphics card? Have you checked all the power connections from the PSU? Including separate 12 volt connectors.? Does the PSU have two or three 12 volt connectors? The most likely y thing could be the Graphics card. But sometimes a PSU might do that kind of thing. Now if you have a spare PSU, try it and see. Otherwise, you might have to get a new graphics card. Quote from: Geek-9pm on September 25, 2015, 09:31:37 PM Did you say that you can get into the BIOS and have a normal display? I can get into the BIOS, but it is covered with random blocks of colour in random places, so the display is very strange. I never thought that RAM would cause this problem I am using windows 8 The motherboard is a 78LMT-USB3 gigabyte motherboard I am using a 2GB AMD Radeon R9 270 HDMI Graphics Card I' don't have much knowledge with the PSU, therefore I can't give much information there. This must be the board you have. Very impressive. Replacing that would cost $200 at Amazon. Maybe we should talk about your power supply. I think it would cost less to get a new PUS. But you want to know fro sure before spending the money. Maybe you could borrow an older or cheaper video card from a friend. You just want to see if that clears up the problem. Or, you could invest about $70 in a more basic graphics as a backup. But a new PSU would also be about $70. BTW: you need to find a way to verify that the cable going from the card to the monitor is perfect. A replacement cable is about $10. Or borrow one. Update: I had it checked. It's very unlikley that the problem was caused by the graphics card. PC world says that it is most likley the motherboard and possibly the PSU. Can the PSU act like a cancer to the motherboard and SLOWLY kill it? Actions taken: I have gone down a very long and complicated route of claiming for the motherboard warrenty and I will be attempting to install it myself. Are there any specifics I need to know about motherboards? |
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| 17192. |
Solve : Keyboard locking up / turning off? |
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Answer» Have had this problem for a month. thought I had cured it by uninstalling a particular program and fixed it for 4 weeks but it happened again today. Is there a known cause for this problem. It requires turning off the computer and restarting to fix it. When it was going badly it was happening every 10 minutes but so far only once today. Maybe someone knows. is it possible that some programs are only meant for 64 BIT. I use a 32 bit vista os. |
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| 17193. |
Solve : Advice on My Build.? |
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Answer» So I am going to build a desktop as my Personal Project. Information about Personal Projects here: You should consider a 6th generation i7 and a motherboard such as ASUS with DDR4 Memory for starters I'm not entirely sure how you've come to that conclusion.ok so what would you think of this build please GIVE your opinion: http://pcpartpicker.com/parts/partlist/ Unfortunately that's just a generic link, it doesn't show the parts you've selected. Once you've created a build on pcpartpicker you should see a "permalink" which will let others see your build if you post that.http://pcpartpicker.com/p/9K7DLkThere are a few things I'd change on that build if it was up to me... I wouldn't buy an MSI board, I'd go for Asus or Gigabyte. I've had too many weird issues with MSI products in the past to be comfortable recommending them. You have two different kits of RAM on your list, you only need one of those if you want 16GB, or get a kit with 4 identical modules if you want 32GB. 16GB should really be enough for most uses. I really couldn't recommend that hard drive. It's vastly slower than an SSD and vastly more expensive than a normal 1TB hard drive. I would strongly advise adding an SSD to the build - Crucial, Samsung, or Plextor would be my go-to recommendations. I'm not sure GTX 960 SLI would be the best idea, I'd always try to buy a single more powerful graphics card - one, so you can SLI that card later, and two, because SLI doesn't always scale perfectly, so you won't always get the full performance of two cards. That power supply is way overkill for that system, a decent 650W would be more than enough. I can't comment much on the case or COOLER, unless you're overclocking then buying a much better cooler would be a bit of a waste and the case is really a personal choice. If you like the way it looks, being see-through and all, then fair enough. My final thought would be that I'm not sure I would recommend going with a sixth-gen i7 based build, the pricing is pretty crazy as you could buy an X99 motherboard and an i7-5820K for the same price. The 5820K has a slower clock speed but two additional cores compared to the 6700K, it also supports quad channel DDR4 and has more PCI-Express lanes (this is important if you wanted to run SLI). The 6700K will be faster in less multithreaded applications but it's by no means a clear-cut choice. I hope this helps give you some ideas, feel free to ask if any of the above needs clarifying as I've typed this up quite quickly so I haven't gone into detail. |
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| 17194. |
Solve : Serious KEYBOARD Issues HP Laptop? |
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Answer» Problem: Windows 7 User. EVERYTHING was working correctly and all of sudden the PRT SC button stopped working. The WIFI button doesn't work either. Ctrl ''PLUS sign" doesn't zoom in nor out as it used to. I'm pretty sure there are other COMMANDS that MIGHT not be working. Attempts Device Manager > Standard PS /2 Keyboard> "This device is working properly." Everything is up to date. I have already uninstalled it, restarted it, and problems is still the same. Is damage possible? Liquid spillage, dirt, dust? If an external keyboard works, you may need a new keyboard. I'm not sure if it's damaged. I certainly hope not. The ''delete'' button doesn't function either... I'm hopping it's a problem with a driver or a key lock combination... Anyways thanks for the replyDoesn't sound like a driver issue to me...i'd start PRICING out a replacement.R94. TRY an external keyboard. |
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| 17195. |
Solve : Can't get my wireless printer to work!? |
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Answer» I'm losing my mind! I'm trying to get my supposedly 'wireless' printer to send out a wireless signal. I've been at this for DAYS!!! I've tried every fix I can find online....to no AVAIL! |
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| 17196. |
Solve : AMD - PowerPlay Malfunction? |
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Answer» Look I GET AMD is trash and so is PowerPlay, not the point here. |
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| 17197. |
Solve : Motherboard madness? |
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Answer» In an attempt to learn more about computer hardware, I am going to attempt to install my new motherboard myself. However I have heard tales of all the horrible things that COULD happen; electrostatic charges killing wiring etc. |
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| 17198. |
Solve : Windows 10 Tablet CPU performance? |
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Answer» I am not at all well INFORMED about hardware issues but would like to learn a bit about my 2-in-1 Tablet's CPU. Since upgrading to Windows 10 it seems to be running at 100% more OFTEN and for longer than it used to, with W8.1. |
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| 17199. |
Solve : How to control volume of 2 speakers plugged into 1 source?? |
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Answer» Hi, |
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| 17200. |
Solve : My pc restart while charging? |
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Answer» This is my pc |
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