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Control an Apple LED Cinema Display from Macbook Air

I have a MacBook Air, M1 2020, and I am using an older Apple LED Cinema Display 20''. How may I control brightness from my MB Air?

MacBook Air 13″, macOS 13.3

Posted on May 5, 2023 6:51 AM

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Question marked as Top-ranking reply

Posted on May 5, 2023 9:14 PM

Wondering if Apple Support's article (link below) can help:

If your external display is dark or low resolution - Apple Support


Eg: says:

"Check display brightness:

If your external display is dark, make sure that its brightness hasn't been turned down.

If your keyboard and external display are made by Apple, you can use the Brightness Up key  on the keyboard to increase brightness. Or choose Apple menu  > System Settings (or System Preferences), then click Displays and use the brightness control there".


8 replies
Question marked as Top-ranking reply

May 5, 2023 9:14 PM in response to sverrewh

Wondering if Apple Support's article (link below) can help:

If your external display is dark or low resolution - Apple Support


Eg: says:

"Check display brightness:

If your external display is dark, make sure that its brightness hasn't been turned down.

If your keyboard and external display are made by Apple, you can use the Brightness Up key  on the keyboard to increase brightness. Or choose Apple menu  > System Settings (or System Preferences), then click Displays and use the brightness control there".


Control an Apple LED Cinema Display from Macbook Air

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