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Questions tagged [backlight]

Form of illumination for the LCD screen.

3
votes
1answer
32 views

2015 Macbook Air screen gradually dimming and dying

This is not a problem at booting up. For a couple months now I'll be using my laptop when suddenly the screen dims to about 50% of normal. According to the brightness indicator the brightness is all ...
1
vote
0answers
16 views

Macbook pro 2017 backlight error

My Macbook has an error after lid close - lid open: Macbook is on, and music on. Lid close => music stop Lid open, the screen looks like the brightness was decreased to minimal, but the music resumes....
0
votes
2answers
2k views

Macbook Air screen fading randomly between off and full brightness

My Macbook Air (2015 model, High Sierra) screen is dead most of the time but randomly fades in and out. Sometimes it fades rapidly in and out non-stop for a prolonged period, before fading out ...
2
votes
1answer
249 views

Macbook Pro Mid-2015 Backlight Burning Bright

When I arrived at home today, my Macbook Pro was frozen. When I rebooted, the backlight looks like this: After logging in, I can still see the backlight edges, as if it's turned too brightly, or "...
0
votes
1answer
978 views

Dead backlight on iMac, LCD and all else OK

The screen on my (desktop, not laptop) iMac is not working .. the backlight only works sporadically. If I hold a flashlight up to the dead screen, I can see the pixels; the video is working, just ...
0
votes
1answer
710 views

What is the proper syntax for setting the nvram backlight-level?

I am trying to set my laptop's brightness level via nvram backlight-level= however I keep receiving errors, no matter how I try and input it. These are my past results. ~ nvram backlight-level "%96%...
0
votes
1answer
138 views

No backlight on Late 2007 MacBook

I have an old Late 2007 MacBook, it has been working until few days ago. Suddenly the backlighting of the display stopped working. Basically I turn on the computer and the screen is almost dark. If ...
0
votes
1answer
3k views

Assigning a key to light up CM Storm Devastator keyboard problem

I followed the steps to make the CM Storm Devastator keyboard backlights turn on (using this tutorial). That is working. But, when I assigned a key to toggle the backlight, the backlight does not turn ...
2
votes
1answer
594 views

Why can't I change my macbook's backlight?

So apparently I cannot modify my Macbook's backlight using the keyboard shortcut: I'm pretty sure it will work again if I restart it. But I wonder what may cause this: is it perhaps an issue with my ...
1
vote
0answers
305 views

CM storm devastator backlight

Im reposting another users question because I have the same problem but am brand new to the site and I dont have any reputation to answer/comment.I have gotten the keyboard to light up using xcode and ...
2
votes
0answers
498 views

Turn off keyboard lights after typing

I have my computer (MBP 2015) to turn the backlight on my keyboard off after I haven't used my computer for 10 seconds. Is there a way how to disable the keyboard backlight after x amount of seconds ...
1
vote
2answers
13k views

CM Storm Devastator Backlight on Mac OS X

I have a CM Storm Devastator and cannot get the backlight working on Mac. I have followed the instructions below : Go here: https://developer.apple.com/library/mac/samplecode/HID_LED_test_tool/...
1
vote
0answers
49 views

Increase increment size of keyboard backlight

I usually have my keyboard backlight either: all the way up, at the lowest setting or off. It is (slightly) annoying to have to hold down F5/F6 keys, when I never use the middle values. Is there a ...
1
vote
0answers
353 views

13" macbook pro mid 2010 no backlight

I have a macbook that recently had a magnet missing inside the screen assembly, so it wasn't going to sleep. However, everything else worked fine - until, of course, I put the new magnet in and put ...
0
votes
1answer
10k views

My MacBook Pro Retina display backlight doesn't work

The backlight on the display of my MacBook Pro 15 retina early 2013. I have tried to make it brighter by pressing F2 but it didn't work, and when I bring a light from the back of the display exactly ...
2
votes
3answers
9k views

Screen backlight does not turn on during bootup, but turns on when accessing recovery partition

I have a late-2011 15" MacBook Pro running Mavericks. I normally don't reboot my computer and can leave it logged in for days on end. I decided to reboot my computer and when it was booting, the ...
0
votes
1answer
354 views

2013 MBP Hotspots in Backlight / Apple Warranty

So last night I was playing Portal 2 in a rather dark room, and the combination of the dark colors in my screen with the darkness of the room allowed me to see quite a few "dead spots" in the ...
5
votes
3answers
7k views

MacBook backlight turns off when brightness is set at 100%

I was using my MacBook today when suddenly the backlight turned off, right while I was in the middle of using it. I know it was the backlight because: I have an external display, which remained on, ...
2
votes
2answers
5k views

Macbook air, 11 inches backlight not working after lcd replacement

I just replaced the screen of my macbook air and now the backlight does not work. When I turn on the laptop, the screen works but the backlight does not turn on. I've tested with a couple of screens ...
4
votes
5answers
20k views

MacBook display backlight doesn't turn on after waking from sleep

I have a 2009 white MacBook that doesn't seem to be waking from sleep properly. I close the lid at night to put it in sleep mode, and when I open it the next day, the display backlight doesn't turn on ...
2
votes
0answers
1k views

Can the ambient light sensor be adjusted to shut off the keyboard backlight?

I have a 2011 Macbook Air and I find that the ambient light sensor does a great job of setting an appropriate backlight brightness level. It's particularly good at not blinding you when you open up ...
1
vote
1answer
5k 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
2answers
3k views

SMC issues on a MacBook Pro Thunderbolt

I've bought few months ago a MacBook Pro Thunderbolt 13'. As a Linux geek, I'm really happy with this computer, and it usually works fine. Unfortunately, three days ago, I wasn't able to restart it. ...
2
votes
1answer
7k views

Why do the keyboard brightness keys sometimes stop working?

Occasionally after turning my keyboard brightness all the way down to 0 manually (Which I do sometimes at night if I need to leave the machine running while it processes something) it won't allow me ...
2
votes
1answer
1k views

MacBook keyboard mod?

Is it possible to mod the MacBook keyboard to be backlit? Is there any website or business that can help or would do it for me?