My Computer Turns On but Doesn't Do Anything

AlexSaff

Reputable
Feb 22, 2015
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4,640
In a recent build of mine, when I turn on the computer all the fans start going, the lights turn on, but the motherboard just shows the code 00 and the monitor doesn't have a signal. Not really sure what is happening here.
 
Did you plug in the CPU power cable? It's usually either a 6 or 8 pin near the top-left of the motherboard.
 


OOOOOOOOOHHHH, I plugged the cpu cable in but it got loose.