what to do when computer shts off and starts up by itself again and again?

[zunn]

the computer is shutting off and starting up again and again by itself

 

[wortwortwort]

You have to give a bit more information than that.

 

[EasyLover]

When it is doing it? Right after it powers on or after windows load up?

 

[AFORabbit]

It happens right after the windows sybol show up...

 

[EasyLover]

Seems to be a bad installation of windows. Have you tried fresh installing windows?