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Computer not powering on

post #1 of 19
Thread Starter 
So, its a bit early and I have not doen a lot of troubleshooting thus far but... When I power on my computer, I see all of my light and fans turn on for a split second and then shut off immediately.

I have to turn off the power supply and flash the system before I can do it again. otherwise, the power button does nothing.

I completely disconnected the powersupply and removed it from the computer and jumped it (green/black) and it turns on fine.

Any suggestions to start my troubleshooting? TIA

EDIT: nothing unusual caused this issue. I turned the computer off like normal last night and attempted to power it up this morning and am now having this issue. Thanx again!
Edited by Jason33w - 4/25/11 at 10:04am
post #2 of 19
Was the CPU overvolted? If so, you probably blew your motherboard's VRMs, MSI's AM3 boards are... not up to par for the 6-cores.
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post #3 of 19
Happens to me every couple days.

Technically this is a motherboard "defect" but most people would call it a 'ghost' in the board instead. If it happens a LOT then RMA that board.
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post #4 of 19
Thread Starter 
Thanx, I did have the CPU overvolted to 1.435v for 4ghz which should be quite safe. This is the first time it has happened to me. I hope I didnt fry the mobo. I would hate to have to buy a new one...
post #5 of 19
Take the motherboard out, put it in good lighting, and look around the VRMs. See if you can spot any damage.
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post #6 of 19
If you are overclocking the ram, I would take them back to stock and see if this continues. While your at it, does it happen when the whole thing is running on stock?
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post #7 of 19
Thread Starter 
Oh, Before I completely removed it from the computer, I kept everything connected except for the 24 pin mobo connection and jumped it and the power supply would not power on either.

Maybe not mobo? Would bad VGA possibly cause that even if the mobo was not connected?

Sorry I didn't put that in before...
post #8 of 19
Thread Starter 
@munaim1: I pressed the button on the back of motherboard to reset the CMOS to defaults, but it did not power up after that either...
post #9 of 19
Swap it around, keep the 24 pin in and don't use the 4/8 pin CPU plug and see what happens.
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post #10 of 19
Quote:
Originally Posted by Jason33w View Post
Thanx, I did have the CPU overvolted to 1.435v for 4ghz which should be quite safe. This is the first time it has happened to me. I hope I didnt fry the mobo. I would hate to have to buy a new one...
Actually, anything over ~1.4v has been known to fry these boards. Same thing happened to me, and those are the exact symptoms I had when I blew my MSI board.
    
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