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Solve : Computer shuts down.?

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Hi Guys and Gals. I'm trying to repair a friend's computer running XP Home Edition. He said it was shutting down from time to time and then restarting. He took it to a fly-by-night repair who installed a fan and re-installed the OS even though they didn't have the OS disk. He said they had a Home Edition disk and used the registration codes on the side of the computer. It's still shutting off and re-starting after about 20 mins. I installed SpeedFan and the temps are normal. I ran a Maxtor Disk diagnostic on the harddrive and it came up Ok. I tried doing a repair with my Home Edition with not much luck. It's still shutting down. I'm getting errors that say I should run chkdsk but I've run them about 5 times so far with no improvement. I've re-installed the OS and I've had two shutdowns in about 2 hrs. and it seems to happen when I try to install an AV program. When it reboots I get this message: " The system has recovered from a serious error".  Any suggestions what I can try?Test the memory.

Download the Memtest86 ISO, burn it to a CD, boot from it and let it run overnight.

http://www.memtest86.com/download.html

Download the one that says:
Ver 4.0a - Windows (zip) ISO image for creating bootable CD

If the memory test comes out with no errors, try swapping out the power supply with a known good one.

Let's try that for starters.

-=EDIT=-
Sorry for posting simpleton instructions, SuperDave. I just now realized the first post was yours and I know you're competent.

And +1 to Fed's post below me.Also RIGHT click "My computer">Properties>Advanced>Start up & recovery settings and UNCHECK the Automatic restart on system failure box.

Then you should get a BSOD which may help diagnose the problem.

Edit: You should also try safe mode to see if the problem remains.RAM or Hard Drive problem.
1.  Test RAM with MemTest
2.  Test hard drive with manufacturer's diagnostic software.  http://www.tacktech.com/display.cfm?ttid=287

BTW, instead of SpeedFan use HWInfo32 or HWInfo64; much better support, even has his own forum.  http://www.hwinfo.com Quote from: Computer_Commando on March 08, 2012, 05:17:54 AM

2.  Test hard drive with manufacturer's diagnostic software.  http://www.tacktech.com/display.cfm?ttid=287

He said he's already done that.

Quote from: SuperDave on March 07, 2012, 07:48:59 PM
I ran a Maxtor Disk diagnostic on the harddrive and it came up Ok.
I was only attempting to summarize.  Additionally, he keeps getting hard drive errors which could be a corrupted Virtual Memory File (Swap file).I suspect the PSU as well...
Try and borrow one of the same or greater wattage to eliminate it as the culprit...Thanks guys. I received this 0X0000001A beginning dump of physical memory. I should have added that an additional 512 mb of memory was installed by fly-by-night. I'm running a memory test now. The PSU is a 500W unit. If it's functioning well, it should be large enough.0X0000001A could be a memory problem or system file problem. Was there any more information than this on the blue screen? Quote from: quaxo on March 08, 2012, 07:36:20 AM
0X0000001A could be a memory problem or system file problem. Was there any more information than this on the blue screen?
Only SOMETHING about a memory dump. This is a new install so it shouldn't be a system file problem. However, I did run SFC /scannow. BTW, I've had the memory test on the RAM running for over 5 hrs. so that should eliminate the PSU possibility.Have you swapped in another PSU yet ? ?Is it shutting down or restarting? You've said both in this THREAD. If it's restarting, please do the following:

Download BlueScreenView:
http://www.nirsoft.net/utils/blue_screen_view.html
unzip downloaded file and DOUBLE click on BlueScreenView.exe to run the program.
when scanning is done, go to EDIT - Select All
Go to FILE - SAVE Selected Items, and save the report as BSOD.txt
Open BSOD.txt in Notepad, copy all of the content, and paste it into your next replyI didn't swap the PSU yet but it's been running for over 7 hrs without re-starting so I don't think that's the cause. Allan, I've already got the BSOD information and I suspect it the RAM. I'm running a test now and I should know in about 5 more hours but all signs point to the RAM being the culprit.Okay.How long does that memtest run? I've had it running for almost 36 hrs. and there's no sign of it stopping.


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