Please Help

[warex]

Dear Sir
When I am Power On My PC It Automatically Power Off Within 5 Second Please Give Me Reply In This Case
THank You

 

[jsc]

Need specifications of components.

But for a start:
Boot problems
http://www.tomshardware.com/forum/261145-31-read-posting-boot-problems

 

[ulysses35]

crystal ball dept.... how can i help you ?