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I have to remove the 12v 4-pin to start the pc, then reinsert it to POST!

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February 17, 2011 10:53:40 PM

I'm guessing it's the PSU, and it's not a big deal...I'm just curious if anyone else out there has had this happen! Once the machine posts, it's fine, it's just that if I have to do a complete shutdown, then I have to go in the case, take out the 12v 4-pin, start, and then reinsert it again...LOL. I've had this system for 5 years, currently building a much more modern quadcore.
a b B Homebuilt system
February 17, 2011 11:31:18 PM

This is almost certainly the power supply giving up. Try substituting the power supply. If you are very unlucky then the problem is with the motherboard, look at the capacitors on the motherboard are they bulging?
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February 17, 2011 11:51:28 PM

Thanks pjmelect. No visible sign of damage to the board, capacitors look fine. I will swap out the PSU tonight and see what happens.
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February 26, 2011 7:28:49 AM

as it turned out, the 4 pin plug had somehow gone bad - the PSU has 2 4 pin plugs, so I just used the other one, and the PC is running fine now :wahoo: 
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