0
votes
1answer
21 views

How to set brightnes for multiple thunderbolt displays at the same time using keys on apple keyboard

Is there a way to set the brightness for all displays (thunderbolt displays) connected to a mac using thunderbolt syncroniously. If I chnage the brightness using F1/F2 on my Mac Wireless Keyboard. ...
0
votes
1answer
347 views

Apple Cinema Display Brightness no longer works in Mavericks

So when you have a ~5-7 year old Apple Cinema Display monitor that looks something like this: and you upgrade to Mavericks (MacOS 10.9), you will lose the ability to adjust the brightness on the ...
2
votes
1answer
85 views

Can I change which external monitor is considered the “secondary” monitor?

I've got a MacBook Pro, and two Thunderbolt displays. I'd like to be able to change the brightness on them individually, like so: For the MacBook, I'd use the F1/F2 keys on its keyboard. For the ...
3
votes
1answer
688 views

Can you control brightness on two monitors simultaneously via the brightness key?

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 ...
1
vote
0answers
252 views

How to control brightness on external late 2009 iMac monitor when connected to new 2012 iMac primary monitor?

I have a late 2012 27" iMac as my primary monitor also connected to a late 2009 27" iMac as a secondary monitor via a mini-display port to mini-display port cable. I also have a Dell 24" monitor ...
1
vote
1answer
205 views

F.lux does not always work on resolution changes. Is there a way to check if the resolution changes?

I'm a happy user of f.lux, but sometimes when I plug in my external monitor on my macbook air it returns to full brightness. This also sometimes happens if I unplug my external monitor and switch to ...
2
votes
3answers
6k views

Where are System Preferences settings stored? Trying to script equal brightness settings for two monitors

I was wondering if anyone know where the System Preferences settings are stored on Mac OS X Lion? I presume there's some .plist with them somewhere. I think that they might be stored in multiple ...
37
votes
15answers
41k views

Can I change the brightness on a secondary display?

I have a MBP with a secondary display. Is is possible to have the brightness keys (F1 & F2) change both the main display (laptop screen) and the secondary display (a VGA external monitor connected ...