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PC Crash on start-up

Last response: in CPUs
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September 12, 2013 10:16:29 AM

My PC is crashing about 0.5 sec after i click the power button, lights go on, then turn off immediatly. at first i thought it was a PSU issue, so I got a new PSU but the problem still precisists. I've tried to reset the bios, but it was no use. At this point, I am not sure if it is the motherboard or the CPU. I have a ASUS P6T Deluxe V2 and a Intel core i7 920(LGA1366). I've removed all the components short of the CPU and it still won't boot.

detailed encounter:
click power(either on case or motherboard itself)
lights go on, fans spin (0.5 sec)
power off (occasionally lights would flash back on for a fraction of a second then turn off)

anyone got any idea what it could be? motherboard or CPU or something else?

Thanks guys

More about : crash start

a c 186 à CPUs
September 12, 2013 10:53:00 AM

sounds like a short. have you disassembled your computer case and cleaned it all out including the motherboard recently?

otherwise the only other possibilities are
1) blown cap/dead motherboard
2) bad ram
3) dead cpu

i listed them in order of likelyhood.
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September 12, 2013 11:10:26 AM

ingtar33 said:
sounds like a short. have you disassembled your computer case and cleaned it all out including the motherboard recently?

otherwise the only other possibilities are
1) blown cap/dead motherboard
2) bad ram
3) dead cpu

i listed them in order of likelyhood.


I have removed ram/GPU/PSU recently when i swapped the PSU. as for ram, i have removed them trying to boot, same issue. also just check for blown caps on the motherboard, didn't spot any.
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September 12, 2013 11:11:02 AM

Do you have warranty? Maybe you should take it in. But it's most likely your processor.
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a c 186 à CPUs
September 12, 2013 11:17:48 AM

have you cleaned behind your motherboard? or cleaned your motherboard/case for dust?

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September 12, 2013 11:18:24 AM

ingtar33 said:
have you cleaned behind your motherboard? or cleaned your motherboard/case for dust?



i have cleaned case for dust regularly, but not behind the motherboard
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a c 186 à CPUs
September 12, 2013 12:56:57 PM

check it because as i said... this is acting like a short. and dirt/dust can certainly cause this.
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