O.S is windows 8, (ANSWER TO THE FIRST REPLY) my hard drive died so I replaced it with a new one ,I backed up the recovery partion a while back,from the old hard drive.i tried to in stall window with it but it is saying ,,cant find operation system wen I try to refresh or clean swipe,so my question is can I reinstall windows 8 on the new hard drive with that recovery partion I backed up from the old hdd