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Questions tagged [backlight]

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Form of illumination for the LCD screen.

34 questions
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0 votes
0 answers
112 views

Using Logitec MX Keyboard without Logitech's Options+ app. It works fine, but I can't control backlight on-duration. There are key-mapping utilities, but I can't find one for backlight control. There ...
JJ123's user avatar
  • 1
1 vote
3 answers
602 views

I'm experiencing an issue where exactly every 60 seconds, the screen briefly dims, then brightens, then beeps. I don't care about the dimming/brightening, but the beeping is maddening. It happens ...
Steve Bennett's user avatar
  • 597
0 votes
0 answers
43 views

Something crasched or hung on my Macbook Pro 16" (intel) and now they keyboard backlit is off while the touchpad is on but doesn't react on input. I would like to restart all processes ...
d-b's user avatar
  • 3,494
1 vote
1 answer
926 views

I am on a MacBook Pro 13-inch with Big Sur installed in it. I want to know whether there is any third party app or terminal command, which transitions the keyboard backlight from 0 brightness to max ...
Ankit Kumar's user avatar
  • 130
1 vote
0 answers
244 views

I did accidentally overpowered (12v) the USB Port of My MacBook Pro 2015 by putting a powered male usb. (I know that is stupid of me). Immediately the display and the light of my keyboard went off. I ...
Bahram's user avatar
  • 19
3 votes
0 answers
139 views

Both upgraded to macOS Mojave 10.14.6 18G103 - It took me a while to notice on the MBP because I use it as a desktop with a wireless keyboard and a dust cover over the built-in keyboard, but I ...
Eljuan's user avatar
  • 51
1 vote
0 answers
74 views

I have a 2018 MacBook Pro running 10.15.3, and I'd like to be able to turn the keyboard backlight off (without simply turning it all the way down) when watching a full-screen video, but allow it to ...
irishwristwatch's user avatar
  • 167
0 votes
1 answer
2k views

My Macbook pro has no backlight (you can see a dim image). I checked the backlight fuse on the logic board and it's burned out. I heard Apple recommends replacing both logic board and display to fix ...
Antonio23249's user avatar
  • 1,891
2 votes
0 answers
92 views

I've started seeing these dark regions at the bottom of my screen. They go away temporarily when I close the laptop, but come back every now and then. Is there an easy fix for this, or is there ...
Alec Plehn's user avatar
  • 21
2 votes
1 answer
2k views

Many similar questions I've read here have to do with backlights not working at all or when dimmed. My problem is that the number 6 key is not illuminating. All other keys are working as they should. ...
Rob T's user avatar
  • 143
3 votes
2 answers
571 views

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 ...
123947129's user avatar
  • 31
1 vote
2 answers
6k views

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 ...
Lloyd's user avatar
  • 281
2 votes
1 answer
766 views

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 "...
Petrus Theron's user avatar
  • 223
0 votes
1 answer
2k views

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 ...
uncle bob's user avatar
  • 1
0 votes
1 answer
2k views

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%...
reid's user avatar
  • 103

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