My system is not getting On it restarting automatically

[sbnandhakumar]

Hello,
My system in not getting ON, last week it got ON but automatically it get restart... from to day afternoon it self it's BOOTING and again get's RESTART... like vise happening 3times then not even ON...

 

[hunter315]

full system specs please, also go through the boot checklist here, go through the steps it resolves most boot related issues.
http://www.tomshardware.com/forum/261145-31-read-posting-boot-video-problems