Motherboard fail to start.

[moonlight]

hi,i have a kn8 ultra mainboard.
i have tested power supply and it is ok.
when i turn the power the red led turns on in mb but when i it fail to start when i press the power button.
i have tested all other things.i also clear the bios.but there is no pwer in mother board exept that red led.
the problem absoulutly is motherboard.
do anybody know how can i fix it?
thanks.

 

[caniba]

Or maybe just the power switch.

 

[moonlight]

no,i also tested my motherdoard in another case with anothe power supply.

 

[caniba]

It might be dead then. Can you RMA it?