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Solve : Computer auto shuts down right at startup?

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This computer worked fine for about 4 months then out of nowhere will shut down right after I select my profile (No time to check anything in windows so please don't suggest I try to virus check or anything becasue I can't get that far). I'm fairly CERTAIN its a heat problem but I'm sure what I can do?

This computer I'm sure was really clean. No random internet downloads of videos or music only microsoft office and a few games. Ran great. No overclocking either.

I'm running Windows Vista, Intel core 2 quad 2.4, GeForce 8800 GTS, 2 GB RAM. Any suggestions?Can you try getting onto the computer in Safe Mode?

To discount an overheating problem, try opening the case and getting an external fan and blow at the computer.
I should have mentioned this before. Even in safe mode it shuts down. Sometimes it won't even make it to desktop. At the windows load screen it'll kick off sometimes.

Does that definetely mean that its an overheating problem? All my fans are working, Power Supply is new. I have 1 120 on the back of the case and 2 on the side. Plus the fans on my CPU and Video Card are both working.

That liquid cooling stuff work well?Can you try my suggestion?

It MIGHT not be an overheating problem. It could be a problem with the RAM, PSU, ect....

Anyone else have any ideas?Quote from: Carbon Dudeoxide on July 31, 2008, 01:22:01 AM

Can you try my suggestion?

It might not be an overheating problem. It could be a problem with the RAM, PSU, ect....

Anyone else have any ideas?


I agree with you. I once had the same problem. I opened the case and checked the RAM, I found that the label on one of the RAM cards has melted and turned into black. I removed the broken one and KEPT the other and restarted the computer. It worked just fine. Try checking the RAM.Remove and re-seat RAM, align the module carefully with the slot, make sure that the white clips 'snap' into place - unplug computer from wall, ground yourself prior to touching any of the PARTS inside the case. If no boot, try to boot with just one memory module at a time. Check your mb manual to see if the module needs to be in a certain slot.

Also, run memtest86. You'll need to download and burn the .iso file to a CD or get the floppy version. Boot from the CD (or floppy) with the 'bad' computer. Run the test on each module at least 2 hours. If successful with each module, test both together for at least 4 hours.
http://memtest.org/

EDIT: btw, the max temp for your processor seems to be 62C or 71C depending on which specific processor it is.I'll try running the test this weekend...

I checked everywhere for melted caps melted parts and found nothing melted. Only problem is I can't keep that computer on for very long to do anything. I got selected for safe mode and on the windows load screen it shut down before loading desktop.I downloaded that test to a cd but right when I started the computer and chose to run from disk my comp shut down.


ouch...How about a few more details - is this a home built computer? Motherboard, mfg and model? PSU - mfg and model and wattage? If not homebuilt, mfg and model? Prior to this problem, did you make any changes - update drivers, install programs, add hardware, etc?

Did you remove and re-seat the RAM and video card, as suggested above?

Remove all peripherals except keyboard, mouse and monitor. Boot?

If the mb has onboard video, remove the video card, plug the monitor into the onboard output. Boot?

Who put the HEATSINK onto the processor? Remove and re-seat cpu. Remove and re-install cpu heatsink.

As always, when troubleshooting, do one thing at a time.

If you don't know how to do anything above, refer to your manuals or post back for instructions.

Before going inside the case, unplug the computer and ground yourself.



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