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Went from 10.6.8 to 10.8.2: Apple LED Cinema display is flickering.

415 Views 5 Replies Latest reply: Nov 26, 2012 10:51 AM by curvebender RSS
curvebender Level 1 Level 1 (0 points)
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Nov 26, 2012 6:03 AM

Hi,

 

Today I went from 10.6.8 to 10.8.2 (Mac Pro 2009, Apple LED 24), and everything was fine except for one thing: The display is now constantly flickering!

 

(I've been using a Mini Display extention cord since I got my Mac Pro without any problems.)

 

When I connect the display directly to the Mac, everything is fine. But as soon as I insert the extention between the Mac and the display, the flickering begins.

 

As the extention worked right up to the second I installed 10.8.2, it must be a software issue.

 

Has anyone else experienced this?..

 

Thanks.

MacPro (2009) Quad 2,66 / 16 GB RAM, Mac OS X (10.6.8)

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