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.
Info:
MacBook Pro (17-inch Late 2011), Mac OS X (10.7.3)
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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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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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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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Dec 4, 2010
My keyboard backlight buttons dont work. The keyboard backlighting works when I'm in low light conditions, but I can't control them with the buttons. When I press them it comes up with this:
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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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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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Nov 11, 2009
I am using a Samsung monitor so therefore cannot control th screen brightness with the F1 F2 keys.
I tried Shades but it messes with the colour making it look a little washed out and not good.
Are there any others I could try ?
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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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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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Apr 9, 2007
It seems that the control keys for brightness (default F1 & F2 keys) and volume (default F3, F4 and F5 keys) have moved to another key combination. Don't ask me what I've done . I already tried Fn, but that did not help.
Does any know how to rearrange the keys to the default keys?
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Jul 23, 2010
The Apple BT keyboard doesn't seem to support adjusting the MBP's keyboard brightness with F5 and F6.
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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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Sep 30, 2009
The reason I am asking is that I am using a Spyder colorimeter to calibrate my monitor and it is asking me which controls exist on the display:
-brightness
-contrast
-backlight
My thinking is that F1 and F2 control the backlight level and not the "brightness" level, if you get what I mean.
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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?
Info:
iMac, Mac OS X (10.7.2), With Windowns 7 :)
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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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Mar 17, 2012
Completed the Safari 5.1.4 update late last night and since then when trying to use youtube. Videos will play sometimes. Other times they will play but I have no control over volume, search bar, play buttons and the like. Also the biggest issue I am having is the like, share, add and other buttons don't work.
Info:
MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)
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May 19, 2009
so I'm planning on buying and LED Cinema Display to go with my Mac Pro. I have a few issues before I pull the trigger...
Currently, I'm using a 23 inch Acrylic Cinema Display and have found that there is no way to adjust overall monitor brightness. Even using the ATi control panel (my Mac Pro has an Apple branded ATi 4870), there are no true brightness controls either on the software side in Windows (I haven't found a way to change brightness in Windows like I do in System Preferences in OSX) or on the hardware side (no buttons on the monitor itself).
Basically, as soon as I use bootcamp to reset into Windows, I notice that the screen immediately goes to the lowest brightness (even though I was running the max in OSX before switching) settings as soon as I go into the desktop. Playing games like this is irritating.
I know the LED Cinema Display also has no brightness buttons on it, so will I still be SOL?
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Nov 28, 2010
I have the 21" iMac and need to brighten the screen. How do I do this?
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Jul 12, 2008
I have setup the 23i cinema display with mac pro. I have connected the USB and firewire cable to mac pro.. and keyboard is attached to back of the display. For some reason I cannot seem to adjust the brightness of the display from the keyboard (though I can do it from the side of the monitor). Neither can I see the brightness slider bar in the display settings. Also while the display is the the power led in the front blinks 3 times, then there is a little pause, and blinks 3 times again. How to fix this brightness control issue with the display. I have reseted PRAM and NVRAM... still nothing has changed. Also note I do not have and options tab for some reason.... (I have tried to plug the display's usb into the back 3 usb of the Macpro... still nothing)
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Apr 26, 2009
I've got a 2009 Mac Pro with both a 4870 and a GT120, and I'm experiencing a strange bug with the brightness controls. The keyboard buttons only control one panel, and *both* of the sliders in the displays system preferences panels only control that same display. There is way to control the brightness of the other panel.
Here's a short clip of the problem:
[URL]
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Aug 1, 2009
When my laptop is connected to my Apple Keyboard, I can control the brightness with the F1 and F2 keys on my external Apple Keyboard. However, when I connect an external monitor to my MacBook Pro, the F1 and F2 keys no longer work.
Is there a way to control the brightness of my laptop's screen (NOT the external monitor) with my external Apple Keyboard even when an external monitor is plugged into my MacBook Pro?
I have the late 2008 uMBP.
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Dec 29, 2009
I have a 24inch LCD ACD display connected to my Mac Pro. This display all used to work OK, but now, read on. I had to send this 24inch LCD ACD display away to have the panel replaced. Since it has returned when I look in About This Mac/Displays it shows that I have an iMac connected as the display and now the brightness cannot be controlled. If the 24inch LED ACD is connected to my Macbook it all works as it should
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Jul 3, 2012
how do i get f10/f11 to work as volume buttons,
Info:
MacBook Air (13-inch Late 2010), Mac OS X (10.6.8)
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Feb 18, 2010
I use MBP Snow Leopard 10.6.2 and use both Safari 4.0.4 and Chrome for browsing, and it is increasingly happening (on both browsers) that I need to click outside the active window (i.e. go to the menu bar and click on it, anywhere on it, to be able to press a link or a new tab buttons inside the open window). If I don't do that the active window buttons or links do not work, they depress or shade or do whatever, but do not actually do the function.
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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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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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Dec 31, 2010
When I unplug my charger from the side of my computer, my brightness on my MacBook goes down a few notches. Why does this happen and how can I fix it?
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Jun 9, 2012
I have a late-2010 MacBook Pro running Bootcamp 4.0 with Windows 7 64-bit. My graphics card is the nVidia GeForce 320m. I looked online recently and found that there was an update available for my graphics card (previously I had the one that comes with bootcamp, which is from 2009 I believe--quite outdated you see). So I installed it, hoping for better DX11 support, etc... It installed fine, but now my display is stuck on 100% brightness, when before I could adjust it with the F1 and F2 keys. When I try using the keys it shows the Apple popup with the slider moving, but the brightness doesn't change. I went into Control Panel > Power Settings and tried adjusting it from there, with no luck. The nVidia Control Panel doesn't have any satisfactory controls to do this either. It must be, of course, that the driver update changed things, but I'm not sure how to rectify the situation. I uninstalled the Apple Driver-Display from Control Panel and then re-installed from the Bootcamp files, but it didn't help. I've heard some talk about Apple Cinema Display, but I'm not sure if that's the same thing as the Display and whether I should be looking for a driver for it.
Info:
MacBook Pro, Windows 7
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Jan 7, 2011
Since I got my new MBA, I am afraid of closing the lid without using the factory keyboard layer fearing the keys may scratch the monitor. Am I being paranoid? I am sure the keyboard has been designed as to not touch the screen when its folded right?
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