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midnight1111

macrumors newbie
Original poster
Feb 28, 2009
7
0
I have a 15" macbook pro. When I leave the lid up and walk away for a while sometimes when I come back the screen is gray. When I move the mouse these small boxes pop up under the cursor that is the 'real' screen. Then I login and it flips screens and then asks me to login again. I am using Mac OSX 10.7.2 Lion. Any pointers would be appreciated?
M-
 
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