9

I have a iMac 27'' and a LED Cinema Display 27'' connected to it. And I've noticed that to be able to control brightness I need to open the Display.prefPanel and modify the brightness of the displays individualy.

Is there a way to do this SIMULTANEOUSLY? Maybe with a third party app? If not, is there a way to assign a keyboard shortcut to the second display brightness?

  • How do you control Cinema Display brightness? My Display.prefPanel only have main screen brightness control. – Tinyfool Dec 10 '11 at 9:08
  • Try <kbd>Control ⌃</kbd> and <kbd>F1</kbd> or <kbd>F2</kbd>. That should work. – daviesgeek May 14 '12 at 17:35
2

I just started using Dimmer Than Dim, a free app in the App Store. I only have one display (iMac), however.

1

F.lux is worth a look, it changes the colour temperature and brightness of your monitor(s) based on the time of day.

  • 1
    Sadly F.lux is totally automatic and it really doesn't even change the display brightness. – Jari Keinänen Jun 24 '11 at 10:50
0

Shades can do this.

(I am pretty sure it can, I only have one monitor attached at the moment, so I can't verify.)

  • 1
    In my testing, Shades can control both individually but not simultaneously – Nathan Greenstein Sep 23 '11 at 3:21

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