my desktop computer turns off suddenly !

[thesniperharb]

hi all ,
i have a desktop computer ,
when i press the turn on switch , the computer turns off suddenly after like 10 or 15 seconds , and nothing shows up on the screen !

what may cause this problem ?

sorry if it is the wrong section for this question , i hope the admin will move it to the correct section , i am new by the way

thank u

 

[Tradesman1]

Could be a lot of things, think I'd bench it and troubleshoot, have a guide I wrote here:

http://www.gskill.us/forum/showthread.php?t=11279