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macbook pro with white screen and loading bar when opening lid

6129 Views 14 Replies Latest reply: Jul 2, 2013 11:35 PM by DUNKYD RSS
crackers8199 Level 1 Level 1 (0 points)
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Dec 14, 2012 11:28 AM

a few days after upgrading my mbp to 16gb of ram, i now get a white screen with loading bar when opening the lid of the computer after letting it sit for a few hours.  this only seems to happen when i'm plugged in...haven't seen it happen on battery.

 

it then goes through a process and ends up taking anywhere from 15 seconds to 2 minutes before i can do anything with the machine (i.e. put in my password and log in).  i have sleep set to never while plugged in...turn off hard disks is checked, but i tried with it unchecked and still had the same issue happen.

 

i did run memtest a few times, each time all tests passed just fine.

 

i took a video and put it on youtube...

 

http://www.youtube.com/watch?v=ZdQjjlcT6qE

 

can anyone help me figure this out?  other than this the machine seems to be humming along nicely...haven't noticed any unusual crashes or kernel panics.

MacBook Pro, OS X Mountain Lion (10.8.2)

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