Concerning adjusting the luminance of a display device

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2
votes
2answers
3k views

Half of keyboard backlight dim after soda mishap

I somehow managed yesterday to spill some soda over part of my 2010 MacBook Pro's keyboard - it stayed mostly in the keyboard area, touching the F8-F12 and 8 through equals keys. I shut down the Mac, ...
0
votes
1answer
539 views

Command line brightness (Lion) [duplicate]

Possible Duplicate: How can I dim the screen from Terminal? Is there a command I can execute to modify screen brightness? Interested to see if the min/max are hardware or software ...
1
vote
3answers
7k views

Why isn't my iPhone automatically adjusting its brightness?

On my iPhone 4S (iOS 5), I've set Auto-Brightness to on (in Settings -> Brightness). I haven't, however, seen it do anything. As far as I can tell, my brightness has never changed automatically. The ...
0
votes
1answer
377 views

iMac forgets brightness

When I set my brightness on a 27'' iMac (2011) next time it boots up, it's dimmed. I switched off the ambient sensor, so this shouldn't be the problem. The connected Cinema Display remembers the ...
0
votes
1answer
705 views

Screen flickers, stops after brightness change

Whenever I am using my 2006 Macbook for a while, the screen starts flickering, from one shade of brightness to another. When I change the brightness, it stops. It also occurs right after startup or ...
2
votes
2answers
1k views

MacBook brightness set to zero suddenly resets itself to one. Any ideas why?

Every night I start some music/audiobook/whatever in iTunes and then reduce the brightness of the screen to zero to listen to the audio without seeing a bright screen. For the past few weeks (I ...
46
votes
16answers
67k 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 ...
2
votes
4answers
3k views

Is there an application for Windows7 (in bootcamp) to adjust the level of brightness of screen of iMac?

I want to darken the screen of my iMac because it is too bright for me. I use an application called shades, but it doesn't work in bootcamp. I found the software for Windows Vista called VistaShades ...
1
vote
3answers
3k views

How to dim (and un-dim) display in automator

For those that are interested in the final script you can get it here original question I am trying to make a alarmclock script to wake me up. but I can't figure out how to change the screen ...
2
votes
1answer
2k views

Prevent maximum screen brightness in lockscreen?

I've set my screen brightness to about 50%. This works fine for me, except that the setting seems to be ignored while displaying the lockscreen while being charged: then it's 100%. I've got a desktop ...
1
vote
1answer
5k views

Macbook air screen is too bright even on the lowest setting

Is there a tweak, hack, or piece of software that can adjust the brightness of the MacBook Air's screen below the settings that MacOS X allows by default? In low light the lowest brightness setting ...
2
votes
2answers
4k views

Why does iPhone and iPod touch auto-brightness setting work relative to a brightness you set rather than absolute?

iPhone and iPod Touch aside, I've always considered manual brightness and auto brightness to be mutually exclusive settings. Intuitively, auto brightness means exactly that - the device figures it ...
1
vote
3answers
618 views

Why does decreasing the brightness cause the brightness to increase occasionally on the MacBook Air?

I have a MacBook Air Late 2010. I notice that sometimes when I press the decrease brightness button, it causes the brightness to increase and only after subsequent presses it starts to actually reduce ...
4
votes
3answers
6k views

Why automatically adjust brightness doesn't work after I change the brightness

Why automatically adjust brightness doesn't work after I change the brightness manually using the hot keys although it's set to do so in the displays configuration?
2
votes
3answers
708 views

iPhone: How to prevent maximum screen brightness when charging?

I've set my screen brightness to about 50%. This works fine for me, except that the setting seems to be ignored when it's charging: then it's 100%. I've got a desktop charging stand on my bedside ...