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PC won't boot. MOBO issue?

Last response: in Motherboards
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October 6, 2011 10:45:28 PM

So I built the PC in July and, despite an issue with the GPU (not the integrated one), it ran perfectly until just today. I left it on while I went and played a game elsewhere, and returned to see that it had shut itself down. Pushing the power button has no effect, except that I hear a tiny little noise somewhere in there. The motherboard seems to be receiving power because the lights that show the manual reset and power buttons are still lit. They're not working though. Do you think its the mobo or the psu?

System Specs:

Intel i7 2600k
Asus P8Z68-V Pro motherboard
OCZ Elitexstream 1000W power supply
EVGA Geforce GTX 570HD GPU
WD 2TB HD WD2002FAEX
and if I'm not mistaken... Kingston KHX1600C9D3K2/8GX (2x4GB)

Power is plugged into a UPS:
Tripplite Omnivs 1000VA
It seems to be working for anything else that plugs into it.

More about : boot mobo issue

October 6, 2011 11:10:11 PM

is the tiny little noise a beep, check how many times it beeps and pauses, its an error beep and its trying to tell you something
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October 6, 2011 11:14:11 PM

plat86 said:
is the tiny little noise a beep, check how many times it beeps and pauses, its an error beep and its trying to tell you something


Nah. It was more like an electric discharge that was small enough that it was barely audible, even with my face close to the motherboard.
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October 7, 2011 11:17:34 PM

found it was the psu after all. after some tests, the light has started going red instead of green. clear giveaway.
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!