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User profile for user: _mi-chi_
_mi-chi_ Author
User level: Level 1
4 points

MacBook Pro 16'' and Cinema Display 27''

I have a 2021 MacBook Pro 16'', I just got an Apple Cinema Display 27'' (model a1316); I connected them with an adapter: Mini DisplayPort to Type C. As soon as I turned it on, the cinema display had a yellow cast, so I tried to calibrate it with the appropriate xrite i1profiler probe.


Question: I can't change the brightness and contrast of the 27'' cinema display from the MacBook, neither from the keyboard nor from the system panel, I can only change those of the MacBook monitor. How can I command and resolve?



MacBook Pro 16″, macOS 12.1

Posted on Nov 4, 2023 10:32 AM

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User profile for user: Grant Bennet-Alder
Grant Bennet-Alder
User level: Level 10
135,373 points

Posted on Nov 4, 2023 11:06 AM

Brightness on Mac displays of this era was controlled over the USB cable.


If you make an ordinary USB 2 connection, The brightness slider should appear, and the keyboard controls will become active once the slider appears.

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User profile for user: Grant Bennet-Alder
Grant Bennet-Alder
User level: Level 10
135,373 points

Nov 4, 2023 11:06 AM in response to _mi-chi_

Brightness on Mac displays of this era was controlled over the USB cable.


If you make an ordinary USB 2 connection, The brightness slider should appear, and the keyboard controls will become active once the slider appears.

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MacBook Pro 16'' and Cinema Display 27''

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