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My pc turns on and then turns off ina half second

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  • Power Supplies
  • Components
Last response: in Components
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November 2, 2011 1:34:36 AM

hi i have a pc that the past week stop working, one day i left the computer in sleep mode and then the next day i didnt turn on for nothing
but when i turn the switch off and back on it will light up for a half second and turns off, so i figure my ps went out so i bought a new one from frys a antec 750w put in and nothing so i decided to take the cpu off and i noticed there were like blackesh right next to the cpu well where it sits on the motherboard so here are ther specs
-asus crosshair 4 formula
-phenom six core-
-750 ultra ps and the antec that i bought
-6gig of ozx something ram
-hd radeon 6770 gpu
-coolmaster cooler with two fans on the sides
ima continue to troubleshoot it
so let me know if any ideas might help

More about : turns turns ina half

a c 722 ) Power supply
November 2, 2011 1:53:00 AM

Can you see where the black stuff came from looks like a bad motherboard.
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November 2, 2011 2:47:34 AM

Last time it happened here I did burn the motherboard.
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November 2, 2011 4:08:40 AM

yea it might be the motherboard tomorrow ima go get a crosshair 5 extrme motherboard
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November 2, 2011 4:09:09 AM

ill let u guys know the results tomorrow
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November 2, 2011 4:29:47 AM

@rolli it came from aside of the cpu ill try to post a pic for it
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a c 722 ) Power supply
November 2, 2011 6:43:28 AM

so is it a burn mark or some kind of sticky stuff?
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November 6, 2011 3:45:39 AM

no its like brown and blck combine but so i got a hold of some parts and test them out so i took my phenom cpu and put it in the other mb and it boot just fine
i tried everything else before i purchase a new crosshair but this V not IV is ther something i should try
and again thanks for the help
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