well I have a small problem, computer does'nt turn on I know psu and case work fine. by the way everything is new. I try to power on the computer and nothing, I get a creen LED on the psu and a Green LED on MB but when i push the power button on the case no power. every thing is hooked up where it soppuse to go, this is the second board with the same problem both being same board.If anybody have any Ideas please

I tested the case and the psu with my old computer and it powers on with no problem. This is what Im running on the new build:
ASUS P5N32-SLI Premium MB
SLI Mushkin 550 watt PSU modular
1 Gig crossair XMS pc5300 675htz.
Intel Pentium D 940
Zalman 9700 CPU fan
Leadtek 6800 GT TDH
Asis C4 case