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0
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1answer
18 views

Why is the display on my Acer Aspire 3820T-6480 darker than usual?

I have an Acer Aspire 3820T-6480 running Ubuntu 14.04 with an external monitor. I just restarted it after some updates and after the restart I noticed that the built-in display—AU Optronics (Model No: ...
3
votes
1answer
147 views

Is there a way to disable all keyboard backlighting on an HP Spectre?

I recently purchased a laptop with some unfavorable backlighting behavior. The F5 key is permanently backlit at all times. I was told that there is no way to turn off the F5 light. But is there a ...
4
votes
0answers
337 views

Is there a way to disable the persistent backlight under my F5 key? [closed]

On my HP Spectre x360, the F5 back light is always on like in this image. I'm aware of the ducktape method and the nailpolish method, but I was hoping there's a software-related way to disable the ...
1
vote
0answers
26 views

how to turn on backlight in ZERO zr-3806 keyboard?

ZERO zr-3806 I have that keyboard and can't turn on backlight .. did the searching and nothing .. the thing is it has no fn key which other keyboard I found in the search had and they're to be turned ...
1
vote
1answer
49 views

Desktop LCD monitor which allows backlight to be controlled in software

I would like to know if there is any standard or feature which allows desktop LCD monitors backlight control setting in software. I would like to know what I should be searching for. This is a pretty ...
0
votes
2answers
49 views

Is it possible to change screen backlight trough hardware means?

Given that after several days I didn't manage to change the brightness through software means (askubuntu.com/questions/577539/dell-chromebook-11-unable-to-set-backlight-and-sys-class-backlight-empty ...
0
votes
0answers
134 views

Dell Chromebook 11 - unable to set backlight and /sys/class/backlight/ is empty

I have installed Lubuntu on my Dell Chromebook 11 and everything works except for the backlight. Can't set the backlight with the brightness keys, neither with xbacklight,xdotool or any other GUI ...
1
vote
2answers
956 views

How do I turn off the keyboard backlight on my Lenovo Y70?

I'd like to turn off the keyboard backlight on my new Lenovo Y70 laptop. Is there a built-in way of doing this? Or is there a way to physically disconnect the backlighting from the power supply, if I ...
1
vote
1answer
76 views

Precise backlight control on windows

My laptop screen is too bright to look at in the dark even on minimum backlight setting. On Linux, I usually solve the problem by writing "1" (or the lowest value that does not turn backlight off ...
0
votes
1answer
501 views

CM Devastator Keyboard - Turn On Backlight, Turn OFF Scroll Lock

So I recently purchased a CM Devastator keyboard, which has a LED backlight. The catch is, that the backlight is toggled with the ScrollLock key. So you have to have ScrollLock "On" in order to have ...
0
votes
0answers
50 views

Save screen brightness between reboots

I'm running a fresh installation of Trisquel Mini 6.0.1, using LXDE for my graphical environment. Being a bit new to LXDE, I quickly found out that it does not ship with a brightness setting manager. ...
2
votes
0answers
246 views

Minimum brightness level is too low and totally turns off backlight

On my Dell Latitude E6400, the minimum brightness level seems to be set to an incorrect and way too low level; the lowest brightness setting (both via the Fn+Up/Down keys and the control ...
0
votes
2answers
689 views

Set backlight brightness on boot on a ThinkPad T440s runing on Arch

I recently bought a new Lenovo ThinkPad T440s laptop and installed Arch Linux on it. Most things worked out of the box. One minor problem, among few others, is with the backlight brightness. I can ...
0
votes
1answer
362 views

Turn on Laptop backlight without a keyboard shortcut

I recently installed the latest drivers and my screen backlight turned off. The problem is that my Fn-F7 key combination doesn't work, so I can't turn it back on. I can see my screen at night if I ...
0
votes
0answers
329 views

Display backlight error ATI driver update

I have a problem with my ATI graphics card. I have an ASUS K52JU, with Windows 7 and a ATI HD 6370M. I recently updated my drivers from 8.x to 14.4 but while they were installing, suddenly the screen ...
0
votes
1answer
141 views

Pixel Qi screen operation

I just installed Pixel Qi screen (PQ101WX01) on my Acer Aspire One D270, but I can only control dimming of the screen through OS. Dimming doesn't make it more readable in the sunlight, and going to ...
0
votes
3answers
194 views

Pixel Qi screen operation

I just installed Pixel Qi screen (PQ101WX01) on my Acer Aspire One D270, but I can only control dimming of the screen through OS. Dimming doesn't make it more readable in the sunlight, and going to ...
3
votes
2answers
145 views

How do I disable the mouse wheel backlight on a Posturite keyboard?

I recently began using a Posturite Number Slide Arch Keyboard (Model EZ-2018) on my Linux workstation. It came with few instructions; none of them dealt with keyboard function, but rather with ...
0
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0answers
88 views

Backlight flashes quickly and then turns off on boot (and stays off)

On an Acer Aspire 47302 the backlight is off most of the time. When any of the following things happens, the backlight flashes on briefly, changes levels a few times, then turns off. The computer ...
1
vote
0answers
279 views

Why do my network interface and powered-off backlight consume too much power in powertop?

I have an ASUS n550jv laptop. Currently, the wifi is off, the ethernet is active, and the display is completely off (using an external monitor). Yet, in powertop I see the following: The battery ...
1
vote
0answers
135 views

Forcely Turn on laptop screen backlight

I have a laptop with hybrid graphic card. As it is a bit old (2010) the support for it totally stopped, and i can't install the official AMD graphic card drivers as it complains that for notebook they ...
0
votes
1answer
21 views

How to fix the backlight cable into its place?

I took apart my laptop and found out that if I push the cable connector down with my fingers it works fine. I tried to twist the screws as tightly as I can (without ruining them) but as I move the ...
0
votes
1answer
318 views

Backlight brightness on Mint 16 (GeForce 330M)

I have Dell Vostro 3700 with GeForce 330M and use the nouveau driver. I have Mint 16 with Cinamon. I want to be able to change backlight with keyboard shortcuts. I did some changes to kernel ...
0
votes
0answers
41 views

Back light not workng, replaced laptop LCD, next step?

My daughters laptop LCD went dark a while back, in a dark room you can see that the screen wants to work but will not. I am familiar with laptop repair, have replaced MANY screens. It seems I have ...
0
votes
1answer
937 views

Laptop screen causes eye strain on all linux distros except Ubuntu and elementary OS

I have a Lenovo g470 with Windows 8 used for games only, and a Linux Distro used for development and as my main OS. I used to have Elementary OS, it was working well, but I decided to try CrunchBang. ...
0
votes
1answer
142 views

How to know which /proc file is used to set the backlight?

How to know which /proc file is used to set the backlight ? $ ls -1F /proc/acpi/ returns : ac_adapter/ battery/ button/ event wakeup xbacklight works. I use awesomeWM with Ubuntu 12.04, on a dell ...
3
votes
1answer
1k views

Reduce laptop screen brightness below minimum in Ubuntu 13.10

My laptop configuration is Dell Inspiron 1440. I want to reduce my laptop screen brightness in Ubuntu below the minimum level that can be set using system settings. I usually set my screen brightness ...
4
votes
1answer
546 views

Automatically dim keyboard backlight if VLC is playing

Would it be possible to automatically dim (turn off) keyboard backlight if media player (namely VLC) is playing? Could it for example be coded with applescript? The use case is I've find myself only ...
0
votes
0answers
53 views

Utility for LCD Monitor Information backlight power on hour display

Does anyone know of a monitor information utility that can retrieve and display the number of hours an lcd monitor has been powered on or how many hours the monitor has on its backlight?
0
votes
0answers
182 views

Changing brightness Linux

I try to change the screen brightness on Linux Mint! The keys are showing a change, but the screen keeps at full denisity. Changing the /sys/class/backlight/apple_backlight/backlight file has also no ...
0
votes
0answers
329 views

Is there any way to adjust the backlight?

I bought an ASUS laptop, it does not have a DDC/CI screen. I found that while using it in reasonably bright light, say a cloudy day, I had difficulty seeing the screen. Is there a way to change the ...
2
votes
2answers
242 views

On linux something is changing my backlight brightness. How to know what process it is?

I'm using Linux with a 3.9 kernel (BohdiLinux, but I'm looking for a distro (or at least desktop environment) agnostic answer). Something is periodically (or on some event, perhaps) reseting the ...
2
votes
0answers
210 views

Inconsistent problems with backlight, booting, and troublesome hanging with an HP DV5 laptop (2008). Thoughts?

Main Problem: I've got an HP DV5-1125nr with a backlight that seems to work when it pleases. This started about a month ago. An image is still present on the screen and it works with an external ...
2
votes
1answer
1k views

How to make xscreensaver turn off the backlight only when explicitly locked

Is it possible to set up XScreensaver so that it would turn the LCD backlight off only when I lock the screen by hand? I thought it must be controlled by the "Quick Power-off in Blank Only Mode", but ...
0
votes
2answers
481 views

Dell XPS m1210 LCD Backlight does not want to stay on at first

I have a Dell XPS m1210 that I've been using for almost 6 years now. Recently the LCD screen back light would turn on for a few seconds, then shut off until I closed the screen and opened it up ...
2
votes
1answer
782 views

ThinkPad LCD backlight steps issue on Linux

I have a Thinkpad Edge E130, and the LCD screen's backlight has 15 hardware steps. $ cat /sys/class/backlight/acpi_video0/max_brightness $ 15 I'm currently running Linux with LXDE as desktop ...
1
vote
1answer
338 views

Can the backlight of a screen go out, because a connection is loose?

I have a macbook and it is 5 years old. The backlight of the monitor is temperamental. I know it is the screen, because I can still see that the screen works when I look at it from an angle. So ...
2
votes
1answer
1k views

Is there a laptop where you can turn off the backlight of the screen completely? [closed]

Is there a laptop where you can turn off the backlight of the screen completely? I have a Pixel Qi tablet where you can turn off the backlight and I use that function all the time. Really saves the ...
3
votes
2answers
4k views

Sony Vaio Keyboard light never turns off

I formatted my Sony Vaio Vpc F13wfx/bc, and all components has working correctly, except for the keyboard backlight. The problem is that the keyboard light never turns off. I tried to install ...
2
votes
2answers
569 views

Screen brightness setting for reading on Ubuntu 12.04

I read a lot on my computer especially at night. Can I somehow set the screen brightness level on my laptop even lower than the Brightness menu does?
1
vote
0answers
258 views

Lower backlight brightness further on Lenovo Y570 running Windows 7

Is there any way to lower the brightness further than the minimum brightness setting? I would like to not have my retinas burned at night. If there is no solution to lowering the backlight, then is ...
1
vote
0answers
516 views

Possible to bypass laptop inverter power source - HP dv5000 inverter 7 input pins?

I've got an HP dv5000 laptop with a backlight that won't light up, (but is known to be good). I've also got an inverter board which is good, but isn't getting power from the mobo. So, my question ...
1
vote
2answers
33k views

Cause (fix?) of laptop screen flickering when moving lid?

It is a Sony Vaio NW series laptop, 2009 production. Recently the screen started turning off when you move the lid (the backlight turns off). However if you move the lid forwards slightly then it ...
0
votes
1answer
400 views

Where are the backlight connectors in my Samsung notebook?

With a Samsung Q210, 12.1" I have backlight issues. It was no surprise due to the intensity of its use, that after about 6 months and 1 week, the screen backlight started to fail intermittently. I ...
0
votes
1answer
526 views

Cannot dim backlight on Packard Bell EasyNote notebook

My Packard Bell EasyNote TS11HR notebook does not have an option for dimming the display backlight. At night, my eyes begin to hurt because of the strong light from the screen. My laptop is 2-3 ...
2
votes
1answer
143 views

where is the backlight in laptop screen, physically?

if I were to take laptop screen apart, would the backlight be a long, thin gadget along one of the edges, like maybe the bottom edge of the screen? Or is "backlight" actually a matrix of light ...
0
votes
2answers
6k views

Can I use code to change the color of my MacBook Pro keyboard backlight?

I would like to have the colors of my Macbook's keyboard backlight change either permanently or on a cycle. If this can be done in terminal, let me know. I don't want to at all ever open my computer.
0
votes
1answer
143 views

Laptop screen flashing

I've recently bought this laptop: NP305V5A-S03IT, with the new AMD A8 APU and a dedicated video card in crossfire. Anyway, from time to time (I think once or twice in an hour), the display turns ...
1
vote
0answers
819 views

Thinkpad T60 display has suddenly gone dim

I have an IBM Thinkpad T60 2007 laptop with a 14-inch 1024x768 screen. Some time ago on one occasion I turned it on, Windows booted without any problems, but in the exact moment I plugged in my webcam ...
2
votes
1answer
119 views

LED backlit monitor suitable for documents/web?

I am looking to buy a 24" monitor. Sometimes I watch movies, but mostly it will be for document editing and programming (Visual Studio). I have found a product I like, and it has an 'LED backlit' ...