PC turns off after 5-10 minutes

July 5, 2010 at 01:56:00
Specs: Windows XP
I have weird problem with my PC that started around 2 weeks ago. After booting in to windows pc turns off in 5-10 minutes. But what weird is that if it doesn't turn off after 10 mins then it works fine all day without any problems untill next manual restart. It may turn off like 8 times after 8 boots till i pass that dead 5-10 minutes spot. I need help to diagnose from where does this problem acquire.

Things i did so far:
-I connected backup HDD and installed fresh windows xp. Same problem. So its not related to viruses or windows settings.
-I fully cleaned PC removing all dust from fans and oiling them. Temps are good, no heat issues.
- I reseted bios and puted settings to default safe ones.
- Checked all cables and replaced some of them with backup cables i had.

At some days i have to spend over an hour restarting pc to get a good boot and at some days it may work after first boot.

system spec :
amd64 x2 2.5ghz
2x1gb corsair xms cl2
250gb HDD
FPS epsilon 600w psu

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July 5, 2010 at 02:02:07
This might sound a little obvious, but I overlook the obvious expecting the problem to be something heavy.

A trick some guy in the office used to play was to change the power off settings on people's computers. Not a funny joke. But I would in the off chance see if those automated settings were changed accidentally by you or someone thinking it would be funny to see you get frustrated.

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July 5, 2010 at 02:28:55
I checked every bios option that has to do anything with power off and they are all disabled. And i cleared cmos also, so it turns off even with default bios options.

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February 23, 2011 at 01:33:18
dear friend
is you operating amd processor so you have to work in laptop in cool area
Secoundly if you facing same problem so it is Ishu with your motherboard. so look in to it is there all capacitor where proper or not. IT'S totaly problem with your motherboard.

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February 23, 2011 at 02:06:00
You are a bit late with reply :), but yes it was problem with motherboard and psu both together.

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