need help windows crash

[nylikealways]

ok i randomly started up my pc and it goes to my desktop then just restarts without doing anything. I dont know what to do. I wana just clean out the hard drive and start fresh but dont know how to do that, and dont know if not being able to do anythin on my desktop will affect that. need answers!

 

[pat mcgroin]

does it do the same in safe mode?