Concerning adjusting the luminance of a display device
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 ...
0
votes
2answers
42 views
I want to disable automatic brightness adjusting, but where is the setting?
I'm basically trying trying to find this setting:
From this question, but can't find it on this Snow Leopard MacBook. My version of that settings window has the slider, plus a list of resolutions, ...
0
votes
1answer
45 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?
0
votes
0answers
20 views
Script MBP keyboard backlight to full brightness?
I've been searching around and trying some simple apple scripts, but have been completely thwarted in my attempts to set the MBP keyboard backlight to full brightness from any sort of script or ...
0
votes
0answers
73 views
Mac Mini with mountain Lion sets brightness to max
My Mac mini is automatically putting my monitor brightness to 100%. Inside my display settings, there is no option to set brigthness to the monitor, and I set it directly on Monitor.
Any clue how to ...
3
votes
1answer
58 views
I Can't raise the brightness to the maximum.
I have a macbook pro late 2008. When Im raising the brighntess level, when it reaches the 50% it starts to decrease the brightness till it goes almost dark on 100%. Someone know how to do fix this?
...
4
votes
5answers
10k views
Ability to set even below the minimum brightness on iPad
In the night the lowest brightness setting on iPad (1st gen) is still too bright.
Is it possible to set it even lower somehow?
On iBooks it's possible but it works only on iBooks itself and not on ...
0
votes
0answers
17 views
None of the applicatinos I tried are doing what I want [duplicate]
I want to actually reduce the screen brightness of my macbook BELOW the minimum. This does not seem to be possible. Nocturne, flux, shades, all do things I was not looking for.
What I want is to dim ...
2
votes
2answers
885 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 ...
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 ...
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 ...
1
vote
0answers
184 views
Brightness on bootcamp is totally off
So i have a MBP retina 15" that has a Windows 7 Bootcamp partition.
The other day I noticed my screen was a little dirty so I took the screen brightness all the way down (fn+ f1) and did this while ...
2
votes
4answers
4k views
How to dim non-jailbroken iPhone below dimmest factory setting?
At night, in the dark, even at its dimmest setting, my iPhone 4S is still bright enough to annoy my wife. I've searched all over for an app or setting tweak that would let me go "dimmer than dim". ...
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
2answers
1k views
Display brightness issue on MacBook Pro
I'm using a 2011 13" MacBook Pro. For the past few days the brightness always resets to full on boot up and just when the spinning wheel stops loading (before desktop loads), it dims automatically to ...
2
votes
1answer
1k 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
2answers
2k views
MacBook pro (Early 2011) display backlight won't turn on automatically after waking up from sleep
My 15" Macbook Pro (Early 2011) has always had a problem where when I open the lid to wake it from sleeping the backlight doesn't turn on. I can easily turn it on by changing the brightness, which ...
0
votes
1answer
170 views
iPhone auto brightness
I reset the settings (all settings) on my new iPhone 5 today, to try to troubleshoot some problem. Since doing so, my screen seems dimmer.
I never changed the brightness settings to begin with, from ...
2
votes
1answer
2k views
iMac display — can't change screen brightness on bootcamp with Windows 7
I can't change iMac (2011) display brightness on bootcamp with Windows 7. When I press F1 it shows icon and even fill the bar, but nothing happen to display.
What have I tried:
Reinstalling support ...
1
vote
0answers
50 views
Change duration between ambient screen-brightness change
When the ambient light changes around my workspace, my MacBook Pro laptop responds appropriately. However, I find that when the screen brightens or dims, it is too quick. Is there a way to increase ...
2
votes
1answer
2k views
Auto Brightness in Mountain Lion
Ever since I've updated to Mountain Lion, the screen brightness keeps changing automatically. I don't have the setting enabled in Energy Saver.
I usually have my brightness set to 100%, and the ...
2
votes
3answers
1k 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 ...
2
votes
1answer
337 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 ...
2
votes
0answers
123 views
Screen brightness decreases when I middle-click
I have a logitech wireless mouse hooked up to a macbook pro running 10.7. Whenever I middle-click the mouse button, the laptop's display brightness decreases. It behaves just as if I had pressed the ...
5
votes
2answers
3k 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 ...
2
votes
1answer
1k views
How do I make my external Thunderbolt 27" display's brightness match my iMac's brightness?
I'm running my 27" iMac with a 27" Thunderbolt display, and I'm having trouble getting their brightnesses to match. It seems like checking "Automatically adjust brightness" on both causes different ...
5
votes
1answer
295 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 ...
1
vote
3answers
4k 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 ...
2
votes
2answers
3k 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 ...
4
votes
2answers
825 views
Turning off ambient light control?
I have a mid-2011 27" iMac. I have realized that the screen brightness adjusts depending on the ambient light. When the sun hides behind the clouds, and the room gets darker, the brightness decreases. ...
3
votes
1answer
423 views
Why does my MacBook's monitor go to maximum brightness when waking up from sleep?
I have my MacBook connected to an external monitor (via HDMI), and the brightness of MacBook monitor is set to 50% of max brightness . I usually put my display to sleep when I leave my computer for a ...
0
votes
1answer
295 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 ...
2
votes
2answers
978 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
325 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 ...
0
votes
1answer
410 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 ...
1
vote
2answers
1k 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
3answers
617 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 ...
1
vote
1answer
2k 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 ...
1
vote
3answers
443 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
3k 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?

