1
vote
0answers
173 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
128 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
3k 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 ...
16
votes
12answers
16k 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 ...