G guard Guest May 29, 2008 #1 My Mac PowerBook G4 turns on but after about 5 or 6 minutes the screen freezes and the mouse won't move and I can't use the keyboard or anything. How can I re-load the OS if necessary? What can I do?
My Mac PowerBook G4 turns on but after about 5 or 6 minutes the screen freezes and the mouse won't move and I can't use the keyboard or anything. How can I re-load the OS if necessary? What can I do?