My hp m9040n computer freezes no matter what, even in safe mode, I tried system recovery(where it re-formats everything to original), I tried doing a checkdisk on C: but I got to 15 percent and the computer froze, I took the side off the computer and blew out all the dust, I don't know what else to do pleaaaaasssseee help. Sorry for bad description but I'm on ps3 typin with a controller