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Question: I have been using multiple monitors with my Mac Book Pro retina for several years. I just upgraded to High Sierra and now my MacBook Pro only recognizes one external monitor at a time. Are others having these same problems?

I have been using multiple monitors with my Mac Book Pro Retina for several years. I just upgraded to High Sierra and now my MacBook Pro only recognizes one external monitor at a time. Are others having these same problems?

My MacBook Pro 15-inch has a 2.5GHz Intel Core I7processor.

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Jan 10, 2018 6:19 PM in response to scndwnd In response to scndwnd

Just did a clean install.....still reboots in sleep mode.......support is totally clueless on this...I have read many posts of people having the same problem

Jan 10, 2018 6:19 PM

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User profile for user: randolphfrommurrieta

Question: I have been using multiple monitors with my Mac Book Pro retina for several years. I just upgraded to High Sierra and now my MacBook Pro only recognizes one external monitor at a time. Are others having these same problems?