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Q: External retina monitor has no power to MacBook Pro

My external retina monitor has stopped providing power to my MacBook pro (OS 10.10.2) and therefore will not come on.  I have tried resetting the SMC but it didn't help.  I connected the MacBook to another external retina display (same model) and it works fine.  I have unplugged everything, plugged the display into a several different power outlets with no success.  I plugged the display into a different MacBook and encounter the same problem - no power.  The problem appears to be in the monitor, not the computer.    Is there a monitor reset or anything else I can do? 

MacBook Pro, Mac OS X (10.5.2)

Posted on Nov 30, 2015 6:10 AM

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Q: External retina monitor has no power to MacBook Pro

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