Previous 1 2 Next 21 Replies Latest reply: Sep 29, 2012 3:52 AM by xscottish
xscottish Level 1 (0 points)

I have been working on this problem for several days.

When I allow my Imac to go to sleep it locks up when I try to boot up it won't.The only way I can get into it is to go into safe mode or go directly into disk utility by holding the control and r while starting.

I have done the following things

1: repaired the hard drive and verified the hard drive repaired the permissions and verified the permissions. each time I do this there are repairs needed. After the repairs I can start up and use the computer as if nothing is wrong, a couple of times I have stalled and the computer slows down with the rotating beach ball and I have to go back and do repairs again.


2: I have disconnected all of the peripherals except the keyboard and the wireless touch pad. Problem doesn't go away.


3:I have reinstalled mountain lion 3 times


4: I have replaced the time machine drive with a brand new drive


5: I have ran 'tune up my mac" after the last repair and it has just happened again.


When I do all of the repairs they are successfull and I can work with the computer for quite some time before having a lock up and it always occurs if let it go into sleep mode

I am considering virus protection but I dont want to waste any more money on a problem that may be a hardware problem.


Any help would be gratefully received.

imac, Mac OS X (10.5.2)
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