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Weird Black Lines on Mission Control Background

M

marmotito4444

macrumors newbie
Original poster
Aug 27, 2014
1
0
Hi, I'm running Lion on a Macbook Pro. Today I started getting these weird black lines on the mission control background. Attached is a screen shot.

Any idea what this could be? And how can I get rid of them?

Thanks!
 

Attachments

  • Screen Shot 2014-08-28 at 12.02.13 AM.png
    Screen Shot 2014-08-28 at 12.02.13 AM.png
    970.6 KB · Views: 69
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