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My computer turns on in a split of a second and turn off

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May 28, 2012 9:04:05 PM

One day, my graphic card has came and I put it in but it kept turning on split of a second and turn off. So I disassemble my computer and cleaned it and it works perfectly. But sometimes it kept freezing which I have to restart but then later about 2 weeks later.... my computer just shut off on me. But I was able to turn it on at first, so later on that night it just off again..... but now it keeps turning on in a split of a second and turning off. What could it be?

Computer spec:

AMD X2 555 3.2 GHz. Unlocked to quadcore
Galexy GTS 250 graphic card
Asus M4A785-M Motherboard
Dynex 400 watt power supply
a b B Homebuilt system
May 29, 2012 11:56:24 AM

"No POST", "system won't boot", and "no video output" checklist

nekodashi said:
One day, my graphic card has came and I put it in but it kept turning on split of a second and turn off. So I disassemble my computer and cleaned it and it works perfectly. But sometimes it kept freezing which I have to restart but then later about 2 weeks later.... my computer just shut off on me. But I was able to turn it on at first, so later on that night it just off again..... but now it keeps turning on in a split of a second and turning off. What could it be?

Computer spec:

AMD X2 555 3.2 GHz. Unlocked to quadcore
Galexy GTS 250 graphic card
Asus M4A785-M Motherboard
Dynex 400 watt power supply
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