@Caspian
I think its you who started picking on cyew86 1st, now pls stop b4 this thread turns into a flamewar

@TS
Disconnect all the power wires from the psu to mobo and connect back step by step. 1st just cpu and mobo connector, see if it boots properly. Then keep doing til you have reconnected everything back. Thats worked for me a couple of times when ive faced similar issues