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OS X 10.7.5: Random Black Rectangles Appear

H

harrisxml

macrumors newbie
Original poster
Mar 23, 2011
11
0
I just did an update last night on my mid 2010 17" MBP and I'm getting random black rectangles appearing on the screen and random freezes.

Anyone else have this issue? If so, do you know what's going on or how to fix it?
 
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