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I have two Thunderbolt monitors daisy chained together and when I press down on the brightness key (F1/F2) it only dims the brightness / ups it only on one monitor. Is there a way so that when the brightness hotkey is pressed it can control both the monitors without having to open settings to control the other monitor?

Thanks.

Matteo
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Monstr92
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  • It's not a solution, but instead of opening the panel you can use control + F1/F2 to adjust the brightness on the secondary monitor. – Matteo Nov 12 '13 at 06:30
  • Take a look in Better Touch Tool. I remember that somewhere there was an option to create shortcuts to change brightness on external monitors. This may work also with multiple monitors in one command, if setup properly... – TooAToB Nov 12 '13 at 15:35
  • @Matteo Thanks! I didn't know you could do that. This is suffice solution! :D – Monstr92 Nov 12 '13 at 18:14
  • @Monstr92 OK I posted it as an answer – Matteo Nov 13 '13 at 06:41

1 Answers1

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This will not allow you to change them simultaneously but you can use

  • F1 or F2 for the main display and
  • control+F1 or control+F2 for the secondary display

As an addition you can also modify the brightness in smaller steps (1/4) by pressing option+shift with both combinations.

Matteo
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