C Chparigi macrumors regular Original poster Dec 21, 2016 #1 I just got my new MacBook Pro 15", and two Ultrafine 4k displays. I want to adjust the brightness of both displays simultaneously using my wireless keyboard, but it only controls one. How do I adjust both on the same time?
I just got my new MacBook Pro 15", and two Ultrafine 4k displays. I want to adjust the brightness of both displays simultaneously using my wireless keyboard, but it only controls one. How do I adjust both on the same time?