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Q: What's causing my Mac Pro Late 2013 monitors to flash black twice every five minutes?

My Late 2013 Mac Pro 6 Core w/D500 GC's flashes to black twice every 5 minutes or so.

One monitor is Thunderbolt and the other is Display port.

 

both of  them do this at the same time.

Mac Pro, OS X El Capitan (10.11.4)

Posted on May 12, 2016 7:32 AM

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Q: What's causing my Mac Pro Late 2013 monitors to flash black twice every five minutes?

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