I just finished building my computer and it started up fine. I installed Vista and after it installed the screen went blank. The monitor went to sleep, so I turned the system off. After that I started the system up again, I tried to boot windows, but the screen went blank again. After a couple more tries I went into the bios. The computer randomly turned off. I turned it back on and checked the bios for temps. Nothing was overheating. The computer turned off again. After that it wouldn't turn on. I reset the power supply and the lights on the motherboard turned on. I would hit the power button on the motherboard and the system would turn on for a second, then shut down. If I hit reset on the motherboard and hit the power button nothing happens. I have to reset the power supply to even have the system turn on for that fraction of a second. Does the problem reside in the motherboard or the power supply?
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12/20/08 at 3:01pm