I have a Dell ck520 mobo in my Dell XPS 720 and bought a new psu (EVGA 400 N1) On my psu i have a 24 pin, a 4+4 cpu connector, a pcie connector, a few MOLEX connectors, and some usb (power?) cables. I have been going at it for the past 3 hours and so far I have only got the 24 pin in. Cpuld...