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Apple Display Flickering

I have a 24" Apple LED Cinema display (the mini display port version, not thunderbolt) connected to the end of a thunderbolt Daisy chain consisting of a Seagate Thunderbolt HDD and a CalDigit Thunderbolt dock. So the chain looks like:


15" MacBook Pro (2012 Version) -> CalDigit Thunderbolt Dock -> Seagate HDD -> Apple Cinema Display (connected via mini display port)


Every few minutes the Apple Cinema display will turn off for a half a second, then turn right back on. It's doesn't make the monitor unusable, but it is pretty annoying. I also have a 22" Dell monitor connected to the CalDigit Thunderbolt dock via HDMI and it works fine, without any flickering.


Any ideas what may be causing this, and how to stop the flickering?

LED Cinema Display (24-inch), OS X Mavericks (10.9.1)

Posted on Feb 10, 2014 5:17 PM

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Apple Display Flickering

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