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switching users and get white screen

378 Views 1 Reply Latest reply: Aug 25, 2012 8:42 AM by slamj RSS
slamj Level 1 Level 1 (0 points)
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Aug 19, 2012 6:13 PM

I have now had this happen twice, and it seems to be a mountain lion flaw.  I am either logged in and switch users; or I am logged in, it goes to sleep, I wake it, and then switch users.  I cannot isolate it completely, but I get a white screen. I am able to move my mouse, but everything is white. I eventually have to just shut it down.  I have reset my PRAM, and at a later time even unplugged my computer for a little and rebooted.  It takes a few days to get it to reoccur.  I think it is isolated to the following scenario, but not positive:  I am working on my user, leave my computer, come back and it is a sleep, wake it from sleep, and then switch user, and then WHITE SCREEN where mouse cursor can be moved.  I am using a Mid 2010 imac.

 

Please Help,

 

Sam

iMac (21.5-inch Mid 2010), OS X Mountain Lion

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