TS2400: LED Cinema Display (24-inch, Late 2008): Basic troubleshooting
Learn about LED Cinema Display (24-inch, Late 2008): Basic troubleshooting
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Helpful answers
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May 7, 2012 12:06 PM in response to firestar9sby X423424X,Maybe the monitor is failing. Can you try it on another machine?
Conversely can you try another monitor on your machine just to rule out a failing video port.
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May 16, 2012 2:39 PM in response to firestar9sby rebecca5421,I also have the same Cinema display and have had the flickering problem plus black screen plus freeze ups and what I call, "quilting." This is not pixelating, but the screen looks like it was cut up into smaller squares and then randomly re-assembled into a "quilt." At this point, and I never know when this is going to happen, it is not possible close any screens and I have to power off. This happens when I connect the display to either an early (March) or late (December) 2011 13" MacBook Pro. It NEVER happened when the display was connected to a late model 2009 13" MacBook Pro. I would be happy with only the flickering if anyone knows how to take care of the other problems. I have spent 35+ hours either at the local genius bar or on the phone with Apple Care and no one has been able to figure out this problem.
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May 17, 2012 7:12 AM in response to rebecca5421by firestar9s,YES - Exactly. So odd - the two computers I have connected this monitor to are both iMacs.
I haven't had a change to try a different monitor with the same computer as suggested, however, I have tried the monitor with a different computer, and see the same problems.