So far I have everything completely in place but when I press the power button the computer tries to start and turns off. I have the 8 Pin connected from the CPU to the Power Supply and it still doesn't work. The motherboard does turn on with the LEDs and everything. HELP!!!
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Make sure the cable is well seated at both ends. Try a different 8-pins power cable, and connect that to the PSU and to the motherboard. It is possible that you may have a defective cable. Also, try a different 8-pins power outlet on the PSU.
Also check there aren't any shorts, such as from unnecessary standoffs. And that the 24-pin connector is in properly.