
Originally Posted by
Rancar
90% of the time when the motherboard won't power up at all you have a fried PS or a short. Hard drive space has nothing to do with the ability to provide power to your motherboard. You can start a computer up without any HD at all and there won't be an issue (of course it won't magically boot into windows but you will see your POST and BIOS).
From your description the safe bet is that there is an intermittent short somewhere in your system. If it happens again take everything out and just leave the power supply hooked into the MB with your video card, CPU and RAM. If it doesn't power up then, take everything out of the case and place the MOBO on some cardboard, hooked up to the Power Supply. If that works you should look in your case for some loose metal filings or other potential shorting material.
If it wont' power up on it's own even with nothing but the CPU and the PS attached outside of the case, you either blew your MB or your power supply. Grab a voltmeter and find out which.
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