Questions tagged [backlight]

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2answers
40 views

How to increase backlit time in Dell Inspiron 5590

I am using Dell Inspiron 5590 it has backlit keyboard . But the keyboard light turning off after 30 seconds how to increase the time to 60 seconds or more
1
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1answer
82 views

How to change keyboard backlight color from blue to white in Dell G3 15 laptop

I recently bought Dell G3 15 Laptop from flipkart. The specifications says RGB Backlit Keyboard. But by default, the color is blue. How can I change the color to white? I couldn't find anything in ...
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1answer
35 views

Latitude 7390: No intel_backlight directory, can't adjust backlight

I've been searching the 'net for an hour or two now about this problem, but the 9370 apparently uses some weird implementation of i915. I'm running Fedora 32 and i3, so I'm using Xorg. Here's what I'...
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0answers
32 views

Windows 10 - Display backlight randomly and automatically turns off, only turns back on when the keyboard 'turn-off display' button is pressed

I'm having this problem for quite a while now. The backlight of the display of my laptop, a Lenovo Yoga 500-14IBD, running Windows (10 Home 1909), randomly shuts off. The behaviour is similar to the '...
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1answer
24 views

Controlling keyboard's backlight in Windows 10

Is there anyway I can control keyboard's backlight? In Windows 10 in general or for my Dell Latitude 7290 in particular? My Dell has a great keyboard's backlight feature, but it turns it off after ...
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0answers
19 views

13" Macbook 12 (2015) w/ Linux: Wireless (BCM43602) and backlight have very high power consumption sometimes

Running Gentoo Linux, custom-compiled kernel, on a 13-inch Macbook 2015 (12,1, model A1502). I've noticed that (according to powertop) power consumption of my wireless BCM43602 can vary from 1 watt ...
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0answers
156 views

Keyboard backlight stopped working on Debian

I have a new Samsung laptop specifically the Samsung Notebook 7 running Debian 10.2 and everything was pretty much fine. But the keyboard lighting just stopped working for no reason after about 4 days ...
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0answers
47 views

How to tell what part in a Macbook Pro is broken if screen backlight don't work?

I have an early 2015 Macbook Pro that don't have a backlight in the screen. However I can still use the mac if I plug in to a monitor. I'm wondering if it is a problem with the screen or some other ...
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0answers
458 views

How to change keyboard backlight timeout setting in Windows?

I have a HP Pavilion 15-bc513TX 2019 laptop. The keyboard backlight goes out after a few minutes in the dark. How can I change the keyboard backlight settings for my computer running Windows?
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0answers
94 views

Dell Latitude E5470 screen is very dim(backlight not working)

My Dell Latitude E5470's monitor stopped working a few days ago. I connected an external monitor and it was working fine and then I realized I could kind of see the Dell logo on start up when there is ...
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0answers
18 views

Is this backlight lamp failure? (inverter already replaced)

Issue: Boots normally, but the backlight only flashes on momentarily. Observations: Prior to failure the backlight had occasionally turned off completely, corrected by rebooting. A week before ...
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0answers
67 views

SteelSeries Engine 3 backlighten keys no longer lighting up

The system is: Notebook MSI GT75 8SF-037 Titan The last thing I did which might have caused the issue is installing HTC Vive Pro on it. After doing the HTC Vive Pro installation I noticed that only ...
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1answer
838 views

how to change the keyboard backlight timeout in Ubuntu OS for HP Pavilion Laptop

I have a HP Pavilion 15-bc513TX 2019 laptop. The keyboard backlight goes out after a few minutes in the dark. How can I change the keyboard backlight settings for my computer running Ubuntu?
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0answers
327 views

Can't control keyboard back-light on Ubuntu 18.04 for Asus fx505

I have an Asus fx505 device with Windows 10 and Ubuntu 18.04 dual-boot installed, And I can't control keyboard back-light on Ubuntu, knowing that I can control it on windows. I tried different ...
2
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1answer
826 views

Keyboard Backlight not Working on Arch Linux

I've recently bought an HP Pavilion laptop, sent evil Windows to hell and installed Arch Linux. After several hours of work, everything's fine - except the keyboard backlight. The backlight and the ...
1
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1answer
105 views

Can't control brightness from xfce

Okay so at first I thought I needed to configure kernel because I wasn't able to adjust brightness, however, I can adjust brightness directly using file /sys/class/backlight/intel_backlight/brightness....
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1answer
55 views

LCD screen back light not working

Short story: The screen back light of my Lenovo IdeaPad 700-15ISK-88IP7000671 failed (the LCD works). I changed the LCD cable and then the whole LCD,without success. Long story: My laptop LCD started ...
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2answers
273 views

is the backlight in older monitors worrysome?

is the backlight in older monitors worrysome? I'm using a flatron w1934s as my second monitor and I heard that there's some Mercury and I'm afraid of potential leakage. The image has been flickering ...
32
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1answer
8k views

Dell XPS 13 9370: screen brightness changes based on window contents

On my new Dell XPS 13 9370, it seems that the display backlight brightness is adjusted based on the brightness of whatever's on the screen. For example, say I have Sublime Text open with a dark theme,...
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1answer
124 views

Backlight Bleeding , Flash lighting on Brand New Asus Laptop

I bought an ASUS VivoBook E12 E203NAH-FD057T (Intel Celeron Dual Core N3350 / 4GB / 500GB / 11.6" HD LED just three days back. I noticed that it has a severe back light bleeding / flashlighting issue ...
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0answers
95 views

Laptop's backlight turns on with Integrated GFX, but not Discrete GFX

I have an MSI GT72 from 2014. A few weeks back, the MXM GTX980M died. Since then, I have been able to use the computer just fine with only the integrated GPU. Today, we installed a new MXM GTX980M. ...
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0answers
172 views

Cannot change brightness of Dell backlit keyboard

I'm using a Dell Inspiron 5547 laptop --and the usual way to change the brightness of the backlit keyboard is to use the F10 key. I recently replaced my laptop keyboard, and ever since I'm not able to ...
0
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1answer
1k views

My laptop screen dims when a dark image is shown onscreen

I have a Windows 10 Dell XPS 15 (9530) laptop which is working fine except for the fact that when plugged in (not on battery) the screen dims whenever I view a dark image/content on the screen. Note ...
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1answer
12k views

Dell Inspiron 15 7000 Gaming (Red): can I change the color of the backlit keyboard?

I just received a Dell Inspiron 15 7000 Gaming laptop. It's awesome so far! I'm just really confused on how to change the backlighting on the keyboard. It's default is red. I like the red, but on the ...
0
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0answers
438 views

A dark shadow appears on my laptop's LCD display after I turn it on

A shadow appears on the bottom of my laptop's display, after I turn it on. I don't know if pressing around aso. applies to my issue and I don't want to damage it further, initially it works. The ...
0
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1answer
45 views

Replacement of laptop screen, back light issue

I have laptop with broken screen. When I accidentally broke the screen it shattered with cracks, and everything went white with some colorful stripes but after some minutes screen started to flicker ...
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2answers
1k views

Turn off keyboard backlight when shutting down Linux

I bought a backlit keyboard a few days ago, and I have a problem with it: When I shut down my PC from Linux, the keyboard backlight stays on after the PC turns off, but when I shut down my PC from ...
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3answers
10k views

Change Keyboard backlight timeout time

How to increase the timeout second/time in Windows 10. There is no option in control panel > Hardware & Sound > Keyboard. I have also checked the windows mobility center no keyboard option ...
1
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2answers
782 views

ThinkPad X300 - no backlight issue

I got a ThinkPad X300 on a flee market, it's great but there is one problem - the screen is extremely dark because the backlight doesn't turn on. I removed the ThinkPads screen frame cover and took ...
1
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0answers
1k views

Can't set backlight brightness

I'm trying Arch Linux and I'm stuck with this problem: I can't set the brightness of my laptop display. I read https://wiki.archlinux.org/index.php/backlight and other troubleshooting pages about this ...
1
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2answers
2k views

Screen backlight function keys in Arch linux

Recently I installed Arch on my ASUS UX31LA. Most of function keys works fine except F5 and F6 (screen backlight keys). I tried to do some research on arch wiki, but couldn't find any page for my ...
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1answer
310 views

Keyboard backlight not working: Acer Aspire R13 R7-372T

I recently bought an Acer Aspire R13 R7-372T Laptop. I noticed that the keyboard backlight was never on. I tried the keyboard shortcut to increase the backlight brightness but to no avail. I tried ...
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1answer
9k views

Can I change the keyboard backlight?

I recently bought a Dell Inspiron 15 7559. It has a backlit keyboard, with 3 brightness settings. Is it possible to customize the colors, or can it only be white?
1
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1answer
6k views

turn on/off backlit “xset led 3” with “scroll lock”

i'm buy a mechanical keyboard for my computer, i'm using kali linux rolling 2016.2 i'm forget to read the compatible driver for my keyboard.and that's only compatible in windows 10 and mac. after i'm ...
0
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1answer
826 views

Open SUSE missing kernel-devel headers

I am trying to make a custom API for maintaining the backlight of the computer, however, as the examples suggest, the "backlight.h" is to be included, and there is no such a file on my Open SUSE ...
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3answers
2k views

Setting PWM Backlight brightness on boot

I am working with Linux version 3.10.17, using device tree to boot the kernel. In the device tree, I define a "pwm-backlight" compatible driver. The driver defines a variable, default-brightness-...
10
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6answers
14k views

Laptop dimming display on dark backgrounds

My Acer laptop running Windows 10 has a very annoying feature: when running on battery, the LCD backlight dims gradually when displaying a dark screen and brightens gradually when displaying light ...
1
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0answers
128 views

Asus N76VM backlight keyboard doesn't work

so i just bought an asus N76VM and the backlit doesn't work, i upgraded to win10 an re-installed all the drivers (atk package, keyboard filter...) and still not working, the keyboard doesnt light up ...
0
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1answer
308 views

Samsung Series 7 backlit keyboard issue on Windows 8

I upgraded to Windows 8 and the keyboard back-light doesn't work. The mode of the laptop is np700z7c-s02uk
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1answer
439 views

Asus laptop, keyboard backlight not working

I have a N56JR Asus laptop and I upgraded it from win 8.1 to win 10 (using the automatic procedure, not a clean install) keyboard backlight doesn't work anymore. I tried uninstalling the ATK package ...
3
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1answer
1k views

Why do laptop manufacturers turn off only the backlight not the whole LCD?

I have two laptops, one Macbook and one Lenovo. If I press the Brightness Down button repeatedly, eventually the backlight is turned off completely. The Lenovo also has a shortcut key to turn off the ...
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3answers
19k views

Samsung Series 7 backlit keyboard issue on Win 10

After installing Win 10, my Samsung Series 7 backlit keyboard won't light up. Fn+F2/F3 won't work and neither will Fn+F1 for Samsung settings. I tried installing the Samsung software controlling this ...
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0answers
78 views

Laptop Backlight turms off after instaling intel vga drivers ( windows )

I am currently using Acer aspire 5745 and running on windows 7 Ultimate the issue is that when i install vga driver ( intel ) ( downloaded from official acer site ) when the laptop restarts , the ...
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0answers
59 views

How can I tell my Linux installation to handle the brightness ketys with ACPID?

I want to manually control my brightness keys making a event on /etc/acpi/events. Only that there is a problem, when I press the brightness up/down keys, the brighness changes (I think that the BIOS ...
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1answer
214 views

Backlight inverter and newer laptops?

My notebook, an Asus model X44H, got its screen broken. I replaced it with another screen and, although not the same model, it worked and all was fine. I forgot the charger and it lost its energy, so ...
0
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1answer
108 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: ...
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2answers
3k 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 ...
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0answers
237 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 ...
6
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1answer
2k 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 ...
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2answers
150 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 ...