New computer problem...

[EdwardChang]

I just built a computer, and specs will be listed below. First, my problem. After connecting all power cables and power switches, and everything else, I go to turn on the computer, but nothing happens. Nothing turns on, no lights, no anything.

When I turn the computer off and unplug the PSU, I can hear the whine of the PSU.

Specs are

Pentium D 830
Gigabyte GA8N-SLI Royal
2x512 OCZ DDR2 667 PC2 5400
eVGA 7800GT
Coolermaster Centurion 5 Mid-ATX
WD Raptor 36GB
Seagate Barracuda 80gb
Creative Audigy 2ZS

I'm wondering if maybe my power switch or power switch wiring is bad, the mobo is bad, the cpu is bad, or if the PSU is bad.

 

[Michael Shaw]

Had a similiar problem but I didn't even get a PSU whirl, it turned out my motherboard was dead. If your PSU is whirling then I guess your motherboard isn't completely dead or there would be no signal for the PSU to spin up, sounds like there's a problem with the PSU if anything, but try working it over with an ammeter to see if you have a current running through the board.

 

[ZigZagZeppelin]

Make sure mobo isn't shorting out due to it possibly touching the bottom of your case. Have u moved the case lately?

maybe a spacer underneath mobo fell out or isn't in place.