Pc turns on but shuts down immediately

[thdrbat]

Hello,
when i plug in cpu power (12v p7) my pc shuts down immediately. if i remove the cpu it does not shut down but it won't boot up. bad cpu?

 

[tecmo34]

I would recommend reading through this thread and following the tips listed: http://www.tomshardware.com/forum/261145-31-perform-steps-posting-boot-video-problems