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Horizontal shifting bars on MBP 15 after disconnecting 24" LED cinema display and waking up from clamshell mode.

234 Views 0 Replies Latest reply: Oct 30, 2012 9:22 PM by liybov RSS
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Oct 30, 2012 9:22 PM

I use my MBP 15 (late 2011) with 24" Apple LED Cinema display in a clamshell mode. After disconnecting external display, and opening display, it shows horizontal shifted bars, so it becomes completely unusable. Have to hard reset laptop. Any hints on how to resolve this? Thanks.

MacBook Pro, OS X Mountain Lion (10.8.2)


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