Ok i went out and bought a surge protector rated for 4000 joules, and still doesnt allow my 850w power supply to turn on. My question is wtf are joules and can someone help point me to a surge protector to cover 850 w supply allowing it the power to turn on. Currently i just have tower connected to wall to install disks and drivers and programs but unplug it when i sleep and goto work. Thanks for any help.