Build won't boot

[fail at the internets]

I've put the DS3R, Corsair Hx 520w, Samsung dvd burner & wifi pci card into my lian li pc 7. But it won't boot, heres a video.

http://youtube.com/watch?v=EVOilWJ_Sfg

Anyone know if my parts are dead or if my cables are in the wrong place.

Cheers lads.

 

[fail at the internets]

Ah ok. I thought you could test parts out without having them all in. Silly me.