ok recently i took out the extra floppy drive i had in it and replaced the side cover and didt use it for bout a day. and today i started it up and when it got into the login screen it shut itself down... i wasnt payin much attention to it cuz i was testing my network then all of a sudden it turns on (note i had only pressed the power button 1 time to first start it) then while it was loading it turned itself off, then it repeated that cycle agian. finally i unpluged it but thats way wierd. im way confused >_< plz help