All Questions
20 questions
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Keyboard backlight doesn’t work on kubuntu 24.04
I am using a Lenovo IdeaPad Slim 3 with Kubuntu 24.04 installed. This laptop provides two brightness levels for the keyboard backlight, but I am only able to toggle the first brightness level using Fn ...
- 1
0
votes
1
answer
551
views
Cannot get brightness keys to work on Ubuntu 22.04 / Lenovo IdeaPad 5
I have IdeaPad 5 15IAL7 on Ubuntu 22.04 LTS, kernel 5.19.0-46-generic. It is Intel Core i5 with Intel Iris XE graphics.
Special Fn keys all work, except the brightness. Volume is changing with ...
- 101
1
vote
1
answer
1k
views
Ubuntu/Wayland: Turn off screen via FN keys
On my old laptop, I was able to turn off the screen by pressing FN + BRIGHTNESS DOWN until it reached 0 when I was running Linux Mint. Now, I want to replicate this on Ubuntu 20.04 with Wayland, but I ...
1
vote
2
answers
2k
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Brightness key not working Acer ASPIRE v15
The brightness key (Fn + left/right arrows) on my Acer ASPIRE v15 laptop> on Ubuntu 16.04 LTS are not working.
I can control the brightness by changing the value of brightness by editing the file: /...
- 11
10
votes
10
answers
10k
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Lubuntu brightness/backlight issue
I freshly installed Lubuntu 18.10 with LXQT environment and here's my issue :
I want to dim the backlight of my laptop with the keyboard shortcut (XF86) but when i press it, it changes the brightness(...
- 103
2
votes
1
answer
2k
views
Cannot change keyboard backlight with dbus-send
I have kde desktop environment, and Fn + F3 / F4 buttons cannot change keyboard brightness.
I also assign other keys to increase or decrease keyboard brightness in global shortcuts menu, but its not ...
- 509
2
votes
0
answers
1k
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How to make keyboard backlight controls work in ASUS FX503VM?
Hello Ubuntu community.
I've recently purchased the ASUS FX503VM laptop and I've managed to solve most of the "problems" so far in Ubuntu 18.04.
The one that is bugging me for a week now is the ...
- 21
2
votes
0
answers
187
views
Switching backlight brightness to zero by pressing fn-key
I have Ubuntu 16.04LTS running on my Dell XPS 15 9550. Until yesterday the fn-key for setting the brightness was able to set the brightness level to 0 (shutting backlight off completely) which I ...
- 21
1
vote
0
answers
145
views
Smaller brightness interval when adjusting with hotkeys?
In Ubuntu 16.04 on my Lenovo ideapad 510s, I can use F11/F12 to get 22 different levels of brightness from virtually blank (1) to max (535), but from manually setting the level in /sys/class/backlight/...
- 11
1
vote
0
answers
425
views
Screen brightness hotkey stopped working with Ubuntu 16.10 (ASUS TP200SA-UHBF)
I'm slowly working through all the defects on a plain-vanilla Ubuntu 16.10 install on this machine but this one has me stumped. My screen brightness hotkeys, Fn-F5 and Fn-F6, worked fine on Ubuntu 16....
- 11
0
votes
1
answer
567
views
Switch backlight on and off with one key (script, xbacklight)
i own a Thinkpad yoga. This model has only function keys for increase or decrease the backlight. Minimum backlight does not switch the backlight completely off.
So i use xbacklight to set the ...
1
vote
0
answers
192
views
Hotkeys and slider for brightness don't work
I have an Intel processor with no graphics and Nvidia GTX980M with Nvidia driver. I just installed Ubuntu Gnome 15.10 and everything works fine except for the brightness controls.
Changing both from ...
- 955
1
vote
1
answer
620
views
Brightness Control : Asus X453MA : Xubuntu 14.04
I cannot adjust the screen brightness using the Fn keys. I have scoured the net to find a solution and so far this is what I have :
I've tried creating/editing /usr/share/X11/xorg.conf.d/20-intel....
- 133
1
vote
1
answer
151
views
Where is the laptop brightness script located?
Online I found the command:
echo 1 > /sys/class/backlight/acpi_video0/brightness
to set my screen brightness to the lowest possible value, currently I am grepping my entire disk for that path, ...
- 131
0
votes
1
answer
4k
views
Xubuntu 13.10 Screen Brightness Fn Keys
I have a Samsung Series 9 NP900X3C, which has a Intel HD Graphics 4000 chip. When I use the the Fn keys for changing the brightness, it shows me a nice OSD and sets the value in
/sys/class/backlight/...
- 41
0
votes
1
answer
1k
views
How to hotkey the brightness settings
I want to hotkey certain often used brightness settings under ctrl+ F7 through F10.
I can already change it with the therminal.
To be able to do this I ran the following command
chmod 666 /sys/class/...
- 3,343
1
vote
2
answers
217
views
writing a script, making it executable then assigning it keys
I have a Samsung np700z5a and have managed to get most features working but would love to get the keyboard backlight keys working.
I have tried several methods including through the terminal. I have ...
- 11
2
votes
1
answer
4k
views
Keyboard backlight command by percentage
I want to make a keyboard shortcut to increase and the decrease the keyboard backlight brightness.
The command I have for full brightness is:
echo -n 100 > /sys/class/leds/chromeos\:\:...
- 393
6
votes
2
answers
3k
views
How to increase the amount of steps of brightness adjustment-key [duplicate]
The screen of my laptop (Dell Vostro 3460) supports 16 levels of brightness: Not only according to the manufacturer, but also as is clear from two OSs: Both Windows 7 and Ubuntu (dual-booted) support ...
- 532
5
votes
1
answer
5k
views
How do I make Fn+f2/f3 change the brightness on my HP dv7-6135dx?
The problem described below riddled me for quite a while and couldn't find a straight forward answer anywhere online. I have found a solution and I would like to use this post as a documentation ...
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