Hardware :: Keyboard Backlight Not Working?

Feb 19, 2009

I own a MacBook Pro 5.1 (late 2008) and since a couple of hours my keyboard backlight suddenly turned off and I can't reactivate it anymore. When pressing the corresponding buttons which regulate the intensity of the backlight I get only the backlight icon on screen with a not available button attached to the lower corner. Is anyone familiar with this problem by chance? This happens under both OS X as well as Windows XP.

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PowerPC :: Keyboard Backlight On G4 Not Working

Aug 18, 2009

The backlight for the keyboard on my powerbook G4 isn't working. It worked perfectly a few weeks ago. Now when it is completely dark in the room and I turn the backlight all the way up the keys dont light up. Do the backlights on these keyboards really break?

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MacBook Pro :: Keyboard Backlight Not Working?

Mar 29, 2012

My Macbook pro keyboard backlight not working since the first day I bought. F5 & F6 keys are working but the light didn't turn on... Is there any setting to change or?

Info:
Mac Pro, iOS 5.1

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Software :: Keyboard Backlight Sensor Not Working?

Jun 14, 2010

My Macbook Pro keyboard Backlight is not working properly even in a darkroom.

I need to install a third party software (Lab Tick) to switch on the keyboard light.

I am not able to use F5 and F6 key to adjust the light dimness. I suspect the light sensor is having problem.

However, last night I received an error message, saying that my Mac is having problem, I need to press the Power button to restart the Mac.

After restart, the keyboard backlight is working (without Lab Tick), and I can adjust the light with F5 and F6.

But now,after I made the Macbook sleep and wake up, it's back to abnormal again.

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MacBook Air :: The Backlight Of Keyboard Doesn't Seem To Be Working

Feb 28, 2012

I've had it for 3 months and I think the backlight has never worked. Do I need to configure it?

Info:
MacBook Air

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MacBook Pro :: Keyboard Backlight Not Working After Disassembling

Apr 18, 2012

After a little spill of coke, my keyboard becomes sticky. I bought new one from ebay and replaced it. Everything works fine except keyboard backlit. I tried basic solutions such as  SMC reset, check cabling again but not worked. 

i behaved very politely while disassmbling and assembling but now i start to suspect that kill backlit somehow. 

Info:
MacBook Pro, Mac OS X (10.7.3), Unibody 2009 mid

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MacBook Pro :: Keyboard Backlight Stopped Working

Jun 21, 2014

I have a new 2013 Macbook pro retina.

The keyboard back light has stopped working this morning. 

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MacBook Pro :: Keyboard Backlight Not Working After Small Spill

Aug 6, 2010

I was drinking some tea and bumped into the table the mug was sitting on. A couple of drops splashed out and got on my unibody macbook pro's keyboard. I quickly wiped it off and turned off the computer. I let it sit for a while, but I didn't think anything of it because it was only a few drops. I turned it on and it was fine, however the keyboard's backlight is dim on the right side of the keyboard.

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MacBook Pro :: Keyboard Backlight Not Working - OS X Mountain Lion (10.8.5)

Dec 9, 2014

Well, after my keyboard backlight going out, and me looking for multiple solutions, I've found multiple solutions on the internet that include deleting the com.apple.iokit.AmbientLightSensor.plist file from the Library file. My issue is, I'm actually missing this file from my Macbook pro, which leads me to believe that this is the main reason that my backlight isn't working. Is there anywhere I can find this file, or any reason why I'm missing this?

Just to add in, I have a corrupt Hard Drive, and plan on fixing it soon. Could that have anything to do with it?

Info:
MacBook Pro (13-inch Mid 2012), OS X Mountain Lion (10.8.5)

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MacBook Pro :: LCD Not Working Backlight Working And External Work?

Apr 11, 2010

I have tried a few thinsgs to try and get it to work including reseating the cables and that has not helped. As the title says, the back light works as i can see the screen getting blacker/greyer. Also the external output works as well. I'm not sure what to do at this point because I can't find information on an inverter board for the LCD, only the LED backlight think this could be an issue with the video card 8600M or is my LCD dead and I need a new one?

On a side note I have taken very good care of this computer, no drops, making sure the HDD is parked before moving, having it in a protective case, etc. The only difference is that I gave this to my sister to use and after a few days it died. (seems everything she gets that's electronic dies these days, meaning I probably shouldn't give her anything that has a circuit board in it....)

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Software :: Won't Fix Keyboard Backlight

Jan 25, 2010

i just got my computer back from bestbuy, they replaced the hard drive so i need to customize my mac again.

the only issue i am having is with the keyboard back lights; they wont go on. I read apples help diy thing and followed the 2 or 3 directions they gave me and still no luck.

i know this problem is amazingly simple but i used a PC for the last 15 years so i'm overlooking something.

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Hardware :: How To Turn Keyboard Backlight Off?

Jul 2, 2009

I just got one of the aluminum MB Pros and had to install Windows XP on it.

What I find annyoing is that I can't turn the keyboard backlight off: The F8-key (as suggested by Apple's support) nor the way it works under Mac OS (dimming completely by pushing F5, turinung it off with the next key press) do the trick for me.

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MacBook Pro :: Won't Turn On Keyboard Backlight

Dec 1, 2010

I have a Macbook Pro (Newest gen.) and sometimes the keyboard backlight wont turn on. I suspect it to happen when I have had the Macbook on standby, but I don't know for sure if that is what does it.

Then i press the backlight-adjust buttons on the keyboard, this OSD-symbol turns up: http://peecee.dk/uploads/122010/Scre..._big_thumb.png

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MacBook Air :: Unable To Fix Keyboard Backlight

Apr 4, 2008

Is there any fix to the keyboard backlight problem? My keyboard work only setting manually on. It won`t set keyboard lights on when it`s at the darkroom etc. Is there any fix for this problem?

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OS X :: Unable To Turn Off Keyboard Backlight

Jan 21, 2010

how to turn off the keyboard Backlighting on a Macbook?

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MacBook Pro :: Unable To With Keyboard Backlight

Feb 18, 2010

I have a macbook pro and the keyboard backlight turns on and off when i press the f,g,and v keys when I am in a dark room.

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OS X :: Keyboard Backlight Battery Consumption

Mar 30, 2010

Two quick questions:
- Is it bad to have the keyboard backlight always on? Will it somehow burn out the little lights?
- How much less battery power will I lose if I have the backlight always on? (I use Labtick).

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MacBook Pro :: Any Way To Turn On / Off Keyboard Backlight

May 30, 2010

In regards to a 2010 13" macbook pro's illuminated keyboard.

1.) Is there a way you can make the keyboard's backlight become brighter in low light situations?
2.) Is there a way for the backlit keyboard to turn off in lit rooms and turn on in dark rooms?

For some reason the backlit keyboard becomes dimmer in low light situations. I'm finding it really irritating. I have a feeling this is the way it is suppose to be so that the keyboard doesn't blind you. Any programs to hack the light sensor?

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MacBook Air :: Keyboard Backlight Does Not Work At All

Feb 26, 2012

Macbook Air 11inch 1.6Ghz Model  

I have tried a SMC reset 3 times, I have tried deleted the plist file and I have tried the finger over the isight lens and nothing is working.  

The buttons work fine and it increases and decreases on the screen, it is just there is NO LIGHT whatsoever!  

I don't know what else to do and don't want to send my laptop off to get fixed if it is just a simple thing I can do. 

Info:
MacBook Air, Mac OS X (10.7.3)

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MacBook Air :: Turn On The Keyboard Backlight?

Apr 2, 2012

For the first time last night, I was using my new 13" MBA ultimate and noticed the keyboard back light was not working. Is the some way it has been turned off, and if so how do I turn it back on?

Info:
MacBook Air, Mac OS X (10.7.2)

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MacBook Pro :: Keyboard Backlight Will Not Turn On?

Apr 5, 2012

I was surfing the web when my keyboard backlight started to fade on and offat somewhat regular intervals. After about a mintue or two of this, the backlight just went off all together. Now, when I press the F5 or F6 key to brighten or dim the keyboard, the keyboard backlight does not respond. The usual screen pop-up that shows how bright or dim the keys are no longer increases or decreases but shows the symbol of O with a slash through (like the no smoking symbol).

Info:
MacBook Pro, Mac OS X (10.7.3), 13 inch, Early 2011

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MacBook Pro :: Unable To Turn On Keyboard Backlight

Nov 28, 2010

Running an i7 MBP and just tried turning up the backlit keyboard. It's off and is now giving me this when I attempt to turn the light up and down.

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MacBook Pro :: Unable To Work With Keyboard Backlight

Dec 9, 2010

My keyboard backlight isn't working... whenever I try to turn it up it gives a circle with a line through it. I have read that there is an ambient light sensor that turns off the keyboard backlight when it is too bright, however that has NEVER happened before and I have used it in direct sunlight and the backlight still obviously works. It's not even bright right now but it won't work. This is very frustrating, there should be no sensor that turns it off it should be the brightness I tell it to be.

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MacBook Pro :: Unable To Use / Keyboard Backlight Dead

Jan 7, 2011

My backlight on my Macbook Pro 2.2ghz (June 2007) is not completely dead, but it looks like its about to die. how I can fix this.

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MacBook Pro :: Keyboard Backlight Won't Turn Off In Windows XP?

Oct 20, 2008

I just installed Windows XP on my new alum MBP, and I can turn the black light on the screen and keyboard up and down but I can't totally turn off the back light on the keyboard.

Is there anyway to turn it totally off?

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MacBook :: Cannot Adjust Keyboard Backlight Manually

Feb 27, 2009

My backlit keyboard has recently started to act up. It has recently started at random times to not let me manually adjust backlight at all, randomly turning it off and disabling the two buttons to adjust it. It is a Unibody MacBook 2.4

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MacBook Pro :: Can Adjust The Keyboard Backlight Sensitivity

Aug 23, 2009

Just got a new MBP 15" AG this week and was wondering if you can adjust the sensitivity of the keyboard backlight. It seems to come on even in a fairly well lit room and I mainly only need it in a completely dark room. So I find myself hitting the backlight keys to turn it off and then whenever it wakes from sleep goes back to full bright. Didn't find anything in the keyboard preferences and found a program called Lab Tick which will take care of the level on wake.

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MacBook Pro :: Unable To Fix Keyboard Backlight Intensity

Sep 6, 2009

In SysPref I found the < Illuminate Under Low Light > button.

I can see the backlight has come on , but it is not at all bright. At least it is nowhere near as bright when compared to a 13" MBP we own. Is there an " Intensity " setting for the keyboard backlight?

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Windows On Mac :: Unable To Turn Off Keyboard Backlight

Nov 17, 2009

It wont turn off for some reason while i am running win7...

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MacBook Pro :: Unable To Turn On And Off Backlight Keyboard

Nov 29, 2009

so I got my MBP last week. It's the 15" base unibody model. Is there any way to have the computer setup to automatically turn on the backlight keyboard using ac power? Then do the opposite using the battery?

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