Windows On Mac :: Unable To Adjust Screen Brightness / Screen Brightness Buttons Not Working

Jun 20, 2009

So I installed Vista 64 bit on my Macbook Pro (Santa Rosa), I installed most of the drivers I can find, but I cant get the screen brightness buttons to work (F1 and F2)

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Mac Pro :: Unable To Adjust Screen Brightness / Only Adjusts Brightness On Main Screen

Feb 17, 2008

I have dual ACD's. How do I make it so that both screens have the same brightness? If I adjust the brightness in the display settings it adjusts the main screen, but then not the other one. How do I make them the same?

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MacBook Air :: Unable To Adjust Screen Brightness / Brightness Goes Up And Up

Nov 15, 2010

The brightness goes up when you plug in your MBA, but then over time it just goes up and up. I honestly like my brightness pretty low (rarely more than half, typically at 3-5 notches), but it just keeps on going up and up. I almost never set it above half, but multiple times a day, I notice that it looks pretty high and it's at like 3/4 so I put it it down to about 1/3, but after a while, it's just up again.

Anyone else notice this? What is it, why does it do this? How can I fix it? I don't mind not having auto-brightness (even though I loved it), as long as my screen doesn't keep going up.

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MacBook Air :: Ambient Light Sensor That Adjust The Screen Brightness To Environment?

Oct 21, 2010

Does the new MBA still have the ambient light sensor that adjust the screen brightness to environment?(like the older MBA and the current MBP)

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MacBook Pro :: Screen Gets Dim And The Brightness Control Buttons Don't Work?

Mar 28, 2012

My screen is frequently dim.  The brightness control buttons display that they are working, but the brightness doesn't actually change. 

MacBook Pro (17-inch Late 2011), Mac OS X (10.7.3)

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MacBook Air :: Unable To Control Screen Brightness / Function Keys Not Working

Mar 12, 2008

I cannot control my screen brightness using the F5 and F8 keys. The only way I can adjust it is through System Preferences. I tried just F5 fn F5, Control F5, Option F5 and Command F5 and non work.

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Windows On Mac :: Unable To Dim Screen Brightness / Installing Boot Camp Drivers

Oct 14, 2010

I've got a 2010 i7 15.4 MBP, after installing boot camp drivers from MAC OS DVD, I could not find any option about how long to dim screen brightness. However, my friend's 13.3 MBP does have. What about yours, guys?

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IMac :: Increase Brightness Of Screen / Screen Brightness Is Dim

Nov 28, 2010

I have the 21" iMac and need to brighten the screen. How do I do this?

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Hardware :: 23" ACD Brightness And Power Buttons Not Working?

Jun 3, 2010

I noticed yesterday that my 23" ACD, which I use as a secondary monitor, power light was going on and off even though the monitor appeared to be working fine.

When I put the computer to sleep the monitor stayed on (I could see the backlight lighting up the screen even though it was black).

Now the power light stays off, the monitor works, but I can't adjust the brightness and the power button doesn't work. When I go the System Preferences and Displays there is no brightness slider available for the 23".

I have tried unplugging it, rebooting the computer etc, and even booting up in my backup of Leopard (I usually use Snow Leopard) but it doesn't change anything. Anyone else had this issue? I did have a power cut the other day, but I don't know how that could have affected it.

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Intel Mac :: With Boot Camp, F1, F2 And F10, F11, F12 Buttons Not Working For Adjusting Brightness?

May 18, 2012

I have a iMac with Boot Camp so im often using windows when im using programs/games that are only made for windows...However, the buttons F1, F2, F10, F11 and F12 are not working (I dont know about the other buttons F3-F9). I cant adjust the brightness and sound anymore by pressing F1 and F2 etc. What could be wrong?

iMac, Mac OS X (10.7.2), With Windowns 7 :)

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MacBook Pro :: Screen Brightness Keys Not Working?

Jun 27, 2012

Simple as that. Any idea how I turned this off by accident?

Pro, Mac OS X (10.7.4)

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Windows On Mac :: Logitech Dinovo Keyboard's Fn Keys Do Not Adjust Volume And Brightness

Jan 28, 2010

I have recently put windows 7 professional on my aluminum macbook, installed all the drivers, and so forth. I hook up my macbook up to an external monitor, and use a logitech dinovo keyboard for a mac. However, when I am in windows 7, the function keys do not adjust volume, brightness, and any other of the functions.

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Windows On Mac :: Screen Brightness Goes To 100 Percent

Aug 10, 2008

I usually have my screen brightness set to a few ticks above the lowest, but when my screen shuts off (after 3 mins or whatever I have it set to in the control panel) and gets turned on again, the brightness is set to max. If I then drop the brightness by one tick, it drops to where it was set before. It doesn't do this when I close the lid but it does go to full brightness when I restart the computer and as I enter the windows desktop it goes back to what it was set at.

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MacBook Pro :: Screen Brightness On Windows 8?

Jul 1, 2012

I wanted to check out Windows 8 so i decided to install it using Bootcamp on my Macbook Pro. I installed it successfuly, along with the Windows Bootcamp drivers, but my Display is VERY dim, the brightness is all the way up to the Mac. I rebooted the Macbook Pro and ran OSX and the brightness is fine, but on windows is very very dim and idk how to fix it.

MacBook Pro, Mac OS X (10.7.4)

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MacBook Pro :: Cannot Control Screen Brightness On Windows 7

Jun 24, 2009

I don't know if anyone posted this issue before. I can not control screen Brightness on my MBP 13'. I tried my F1 and F2 key and the Nvidia Control Panel, either of them is working. I installed all the drivers from the CD and it can actually show the icon in the center(bottom) of the screen when I hit the F1 or F2 Key. However, the brightness adjust does not work,the screen stay the same.

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IMac :: Unable To Save Settings / Screen Brightness Goes Up At Reboot

Jul 23, 2010

All of a sudden, every time I reboot, my screen's brightness is all the way up. So, I go to 'Preferences' and bring it down to only happen again the next time I reboot. Not a terrible problem, I hope, but not sure why the settings of this doesn't remain as I left it last. Perhaps I have picked up something OR I have a fault which could get worse?Anyone seen anything like this?

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Windows On Mac :: Reducing Screen Brightness In XP (Boot Camp)

Jan 18, 2010

The lowest brightness setting in XP (Boot Camp) is much higher than the lowest setting in Leopard. Is there anyway to further reduce the screen's brightness in XP?

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Windows On Mac :: Screen Brightness Control Not Linear In Boot Camp

Jun 13, 2009

I bought this c2d macbook pro 15'' in early 2007. Today I installed windows 7 on it (bootcamp 2.1). Everything worked perfect except the screen brightness control. The strongest level is very bright (same as the one in Mac), but the second level is very dim. I remember having this problem back in 2007 when I installed winxp on my mac. Looks like the problem still exists. Anyone here knows how to fix it?

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MacBook Pro :: Screen Flickering / The Screen Brightness Dims And Then Brightens Very Quickly?

Jun 15, 2009

Has anyone noticed a very slight flicker on their new MBPs? I have a new 13" and, every so often, the screen brightness dims and then brightens very quickly (happens in less than a second).The option for auto-adjusting the screen brightness is off so it's not that particular function.It's most noticeable on all-white backgrounds both on AC and battery power. Hard drive access doesn't seem to coincide with the dimming.

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MacBook :: Screen Changes Brightness Randomly / Screen Suddenly Become Little Dimmer

Jan 19, 2009

lately, my mba has been behaving a little weirdly. its screen would suddenly become a little dimmer when the brightness in the room has not changed a bit. after a long while(15 min?), it'll turn brighter again by itself, and again without any change in the lighting of the room. the change is not big but obviously. any idea? can it be some software? or setting? or a defective light sensor?

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OS X :: Dimness In Screen Brightness / Starting About Halfway Down The Screen

Dec 22, 2009

I have a 2007 aluminium imac running Snow Leopard. It needed to have a disk drive replacement recently under applecare. Since I got it back I have noticed a marked dimness in screen brightness starting about halfway down the screen, most noticeable against a window with a white background. It is pristine white at the top of the window but from about halfway begins to get dimmer. Its a bit like being in sunlight and the coming into shadow, or finding mist creeping into the picture.

I have tried recalibrating it but it makes no difference. It might have been there before the repair but if it was I didn't notice it or else I grew used to it but now I find it quite distracting and it does make text a little harder to read as I'm getting on in years and my sight needs all the light it can get. Is it normal or is it a sign of problems beginning to manifest themselves with the display? I wouldn't like to ignore it & find myself out of applecare cover when it does.

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OS X :: Screen Changes Brightness Level Automatically / Flickering On Screen

Jun 1, 2008

So I have noticed a few times already, that the screen on my white macbook flickers to change the brightness level. It can do this while the computer is plugged in and charging, or if it's off the charger. It is definitely noticeable as it causes me to just watch what the screen is doing.

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MacBook :: Adjust Display Brightness

Feb 28, 2009

I found the setting under Displays to automatically adjust brightness, but is there a way to set this different for Battery or Power Adapter? I would like to keep this option on for using the Battery, but would like the display at a constant level when using the Power Adapter.

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Hardware :: Randomly Adjust Brightness Or Sometimes Flicker?

Apr 2, 2007

The screen on my MacBook will randomly adjust brightness or sometimes flicker.Does anyone else have this problem or know how to fix it?

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Intel Mac :: Display Is Dull - Adjust The Brightness?

Jun 11, 2012

I have an iMac, the screen has gone quite dark (as if in sleep mode)  I have to sit in a darkened room to see it properly. Have I hit the wrong key or key combination of keys? How do I adjust the brightness?

iMac, Mac OS X (10.4.11)

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Software :: Video Player That Allow To Adjust Contrast / Brightness?

Jun 18, 2009

So I have an AVI file that won't even load in quicktime, but it plays fine in VLC and MPlayer. As far as I can tell neither of these programs let you adjust the color, contrast or brightness of the file. Does anyone know of a program that will allow me to do this?

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Windows On Mac :: Brightness Jumps To Full When Doing A Full Screen Apps

Jan 20, 2010

When I have my brightness at a certain setting and then start playing a game, the brightness jumps to full. When I then press the button for less brightness, it jumps immediately to the setting it was originally.

This also happens whenever I do alt+tab to return to the desktop. So it appears it happens when I do something that requires to switch to full screen mode cause it also happens with other programs.

At normal use, surfing, office,... this problem does not occur. And also it doesn't happen under OS X

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MacBook Pro :: Volume And Brightness Buttons Out Of Work

Dec 26, 2010

I'm a noob to the MBP. Just got it last month and still learning how to use it. Anyways, my volume and brightness button worked a few hours ago, now it doesn't work. When I tried lowering the volume it doesn't work. Then I tried using the play button to start my itunes and that doesn't work either. I don't know what I did wrong. How can I get it back?

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MacBook Pro :: Volume/brightness Buttons Don't Work?

Nov 12, 2009

My volume and brightness (both display and keyboard) buttons stopped working. I deleted front row out of the Applications folder and CoreServices folder. I rebooted and they started working again. Then I went and started streaming a movie on Netflix and now they aren't working. Any ideas?

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MacBook Pro :: Keeps Changing The Screen Brightness?

Sep 15, 2007

I just got a new 15" MBP and it keeps changing the screen brightness by a couple notches either way on it's own. Anyone have/heard of this problem?

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