Computer is randomly shutting off?

T

Tunak

New Member
((Sorry if this is the wrong place to post the thread, nothing else seemed better))

My computer has been shutting off at random times, there is no pattern when, but it could last anytime between start-up and two days after. Weirdly enough, it NEVER shuts off when I'm in the BIOS. It's guaranteed to stay on forever while in there. Also when running a new Window's installation, it doesn't shut off either. I was wondering, what could it be?

Things I've tried:
Unplugging all components but the harddrive with Windows on it.
Changing the Sata ports of that harddrive
Reinstalling Windows on that harddrive
Installing Windows on a different harddrive
Changing the RAM
Resetting the CMOS
Screwing and Unscrewing everything in my case
Reseating the CPU/Videocard
Tried using a harddrive with Windows that worked in a different computer
Another harddrive with Windows that worked from another computer
Different motherboard
Different CPU
A combination of both of the above
Different videocard
Linux live disc

Things I am going to try:
Reapplying thermal paste
 
Use HWMonitor to see what your system temperatures are. When you applied the thermal paste, did you just wipe it off or did you use isopropyl wipes or some thermal paste cleaner?

My bet is PSU as well but that normally happens under load.
 
I'm using a 700W power supply, it could've crapped the bed, but I don't have another one to test it. And I used rubbing alcohol on q-tips to clean it off.\

Specs of the comp were:

M2NE SLI Asus Motherboard
8800 GTS Nvidia Graphics card
2 - 1 Gig Corsair DDR2 RAM
AMD Athalon 64 X2
 
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