MacBook Pro :: LED Backlight On But No Picture?
Jan 22, 2009
I have a 2.2 Santa Rosa 15" MBP, and an odd thing happened last night. I wasn't running any unusual applications, and had a few things open and was browsing in Firefox. All of a sudden my screen went black, and wouldn't come back up.
The computer is still running just fine, and it didn't go to sleep. The LED backlight is fine, as the Apple logo is lit up and if I change the brightness I can see the backlight changing (the "black" screen gets less "black", if that makes sense), however the actual display panel isn't projecting any picture at all.
I've restarted a dozen times, reset PRAM, and did the unplug battery and hold power button trick, all to no avail. There's no flicker of a picture or anything... it's as if the monitor is completely dead (aside from the backlight being fine).
If I plug in an external monitor, I can use the computer just fine. So it's not like the video card is dead all the way.
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Sep 4, 2014
I am using MAC OS X 10.9.4 ...
I want to change my user profile picture to a custom picture on my hard disk - but can't seem to figure out how. It only gives me the option to choose from the default pictures ...
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Nov 1, 2009
Im trying to print a gd pdf file of a picture. the picture spans 2 pdf pages. WHY the hell is there no simple FIT TO PAGE solution
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Feb 22, 2009
As stated in title, the desktop picture will randomly revert to a picture I had up there months ago, usually when I run the battery all the way down on my unibody MB, but also when I change display settings when i plug into an external monitor.
Do I just need just reset the PRAM or is there something else I'm missing.
BTW, I have searched and I know I only have a few posts...
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Jan 4, 2010
i was wondering if Imovie HD has any tools to let me put one video inside of another. i'm trying to record guitar and i want to show the video for two parts at the same time?
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Dec 15, 2010
I kept my macbook (late 2008) turned on overnight on lowest brightness and when I tried turning the brightness back on this morning, the backlight flashed on for less than a second and then turned off again. Somehow I managed to get it to work, but whenever I move my macbook even slightly the problem reoccurs. I've done some research on my problem and I suspect that it's hardware related (maybe the inverter or the inverter cable?), but maybe the LCD itself is broken? Does anyone else have any experience with this?
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Feb 8, 2009
I know that the base 2.0GHz MacBooks do not feature the backlit keyboards of the higher-end models, but I was wondering if the actual backlight is physically in these lower-end models and just disabled in firmware or software? Or is it missing entirely?
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Mar 17, 2012
the light on my 15" display has grown dimmer; is that something that is correctable?
Info:
MacBook Air, Mac OS X (10.7.2)
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May 12, 2012
After the system update why won't my keyboard backlight wont shut down.
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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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Dec 8, 2010
The backlight on my MacBook went out suddenly today, no idea why. Is there some way to replace it without having to replace the entire display assembly? It is very difficult to get the assembly apart, but I will be on break from school and will have plenty of free time to fix it if it will save me a few hundred bucks. So is it possible to replace the backlight only, or is it a part of the lcd panel?
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Dec 11, 2010
I read on the internet that this is probably caused by lightbult or inverter board, but that information was on macbook or macbook pro, i couldn't find any information if its the same issue with macbook airs.. Has somebody had similar situation? How have you solved this issue?
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Dec 26, 2010
I have a 2008 White body model Macbook with 2 gigs of ram and 2.1 core duo processor. My problem is that the screen won't turn on...when I start up my computer it lights up for a second, but turns off before the apple sign shows up. If I look really close I can see everything. Oddly enough, if I press the brightness button so to decrease the brightness to the very last bar and then hit the f2 button to turn up the brightness by one, the light will turn on for a few seconds, if i continually go back and forth, I can sort of use it enough to do something with it (thank god because I had all my work for school on it). I have included a link with this thread so you can see what I mean.
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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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Feb 21, 2009
At full brightness the flickering is barely noticeable unless you really tried to look hard for it but you can also see it on website backgrounds with lots of lines, such as the left sidebar on [URL] Also, when the backlight dims after being left alone, the backlight flickers for a couple of minutes and then disappears. I have had this macbook for a bit more than 2 weeks. Should I send it in for a repair/replacement?
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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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May 26, 2010
Does anyone know how much battery the backlight drains on the MBP?
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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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Jun 7, 2010
I have had my Macbook for almost three years now, and for the last month, the backlight for my screen has gone off. However, when I put the brightness down to 0 when the light is off, and put it up by 1 it sometimes turns on for a couple minutes/seconds/hours. Any help? By the way, I am using Boot Camp, I do not know if this happens on my Mac Side, because it comes up with a "stop" sign when I try to boot it up.
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Aug 18, 2010
When I try to turn up the backlight of my keyboard, it keeps giving me the "zero" symbol that looks like a O with a / through it. I have not spilled anything and haven't tampered with anything. Will it refuse to light up if I'm in a lit enough area?
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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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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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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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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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Aug 24, 2010
I own a macbook pro unibody A1286. I spilled some soda on it and I followed everything that you would do when a liquid spill happens. After a few days I turned on the macbook pro and I hear the charm and can see the screen with light on it. The back light had gone out on the unit. At first I thought It would be the screen, so I ordered a new screen and tried it out. With the new screen it is the same, the back light for the lcd wont turn on. Everything else on the macbook pro is functional except for the back light.
I even own a mini display port to HDMI adapter and hooked that up to my TV and it worked perfectly. The isight camera works, all the ports work, speakers work, optical drive works. Just the Back light on the LCD does not.
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Sep 10, 2010
I've installed OSX successfully many times but this one, with a new WD disk gives me trouble. After the gray screen is gone and the installation menu starts, the back-light turns off and I can't do anything about it. Any idea why that happens and how I can deal with it? I am working on a Mid 2009 13" Macbook pro with 2.26ghz and 8GB of RAM.
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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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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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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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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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