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Computer crashes and wont start again.

Last response: in Overclocking
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November 13, 2012 2:15:30 PM

Hi, Firstly not sure if I am posting in the right place, if not could someone please tell me where I should post :) 

So I've had my computer overclocked for the past year with zero problems, I have not had a BSOD or any freezes in this time. Recently however my computer screen will go completely white and lock up. I am assuming this is a BSOD even though its not showing the typical blue screen? After the white screen if I try to restart my computer it wont start at all for usually about 2 hours. When I press the on button the fans and lights will come on briefly then go off and this is repeated till I pull out the power plug. After about 2 hours however, it starts up fine and works flawlessly for a few days or a week maybe, then the same problem happens again.

My system is:
i7960 @ 4.0GHz cooled with corsair H50
2* EVGA GTX480 in SLI
Gigabyte GA-X58A-UD7 rev. 1
Corsair HX1000 Power supply
WD 2TB Caviar Black
12GB of G. Skill Trident RAM
Windows 7 Ultimate


I have no idea what might be causing the problem and any help would be greatly appreciated. I can post additional details if needed.

Thanks for your time,

Denis.
a b K Overclocking
November 13, 2012 3:08:10 PM

Simplify.

Remove all equipment you don't need and then retest. Make not of your voltage and temps under full load.

(One card-or no card and intigrated graphics, one stick of RAM, only the OS drive etc...)
November 13, 2012 3:17:52 PM

Yeah, I've already tried with 1 and no graphics cards and various sticks of RAM. Have reset all voltages and stuff also, doesn't seam to have an effect.

Has been about 5 hours since the last crash and it wont turn on at all still.

Thanks for the reply.
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a b K Overclocking
November 13, 2012 3:26:50 PM

CPU/MB prime suspects.

PSU next in line.

What kind of overclock were you running?

November 13, 2012 3:36:59 PM

Was running a 4GHz overclock on cpu, up from 3.2GHz. Was at 166MHz bus speed *24 multiplier if that helps. CPU voltage was increased a little, thoguh not much and everything else was at stock values.

The ram was at 1660MHz even though default was supposed to be 2000MHz. I could never get my computer to even start with the RAM at 2000MHz and the MB defaulted it to 1066MHz.
November 13, 2012 3:56:39 PM

psu is overheating, is the fan running?
November 13, 2012 4:06:14 PM

Yeah the psu fan is running.

Probably just a faulty psu?

Best solution

November 15, 2012 11:24:34 AM
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I have had a bad PSU do this before. The PSU takes time to cool off and will not restart for a few hours.
All tother items will cool off within 30 min or sooner(not including HD).
November 22, 2012 3:59:23 AM

Best answer selected by valheru326.
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