2
votes
1answer
82 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 ...
7
votes
2answers
8k views

Screen brightness automatically adjusting in OS X Mavericks

I just downloaded OS X Mavericks for my MacBook Pro. I don't know if this is a unique problem, but the screen brightness is automatically adjusting on it's own. If I set it for about half the bars ...
0
votes
1answer
324 views

Dim screen beyond lowest brightness from terminal [duplicate]

Anyone know of a way to dim a mac's screen beyond the lowest brightness setting through the terminal?
2
votes
1answer
520 views

Can I configure the relative brightness level that auto-adjust will set?

I enjoy the Mac OS X brightness auto-adjustment on my MacBook Air, but I would usually prefer the screen dimmer than the level it decides on. This would also conserve some charge. I don’t suppose ...
12
votes
5answers
11k views

Can I lower the minium display brightness? How?

When working late, I'd like to lower the screen brightness further than the OS X allows in using the brightness keys. While you can use ⌥+⇧+F1/F21 to change the brightness in smaller ...
5
votes
1answer
458 views

Does using a brightness reducing app save battery?

I installed the app Brightness Slider on my MacBook because the lowest brightness setting in the System Prefs isn't low enough at times. When I choose a brightness setting below what the System Prefs ...