Thinkpad brightness control not working3/18/2023 ![]() So, just download or clone the source of light: Luckily, light is really lightweight and easy-easy to compile on every other distribution. Light is packed only for Arch Linux and you can find only packages for this distribution. I found an alternative to xbacklight command, a GNU/Linux application to control backlights called simply light. To run the script, it needs the superuser (sudo) privileges and so you must just give it to the root user to launch it from the configuration file.Īnyway, I preferred a different approach. $ sudo echo VALUE > /sys/class/backlight/intel_backlight/brightnessĪnd save the script in some place, maybe in user bin folder or something in your PATH. The most part of the solutions that I found, planned to make some scripts, changing the brightness with some bash commands: So, the following lines don’t work.īindsym XF86MonBrightnessUp exec xbacklight -inc 20 # increase screen brightnessīindsym XF86MonBrightnessDown exec xbacklight -dec 20 # decrease screen brightness The issue is set by the xbacklight command and brightness control doesn’t work in i3wm, I tested it and it doesn’t work also from a terminal session. ![]() ![]() Looking into the infinite knowledge of Google, I found a lot of solutions. A GNU/Linux application to control backlights Many solutions. *** The following solution is tested by users and it seems working without issues also on Fedora 28, 29, 30 and Ubuntu 18.04, 18.10 and 19.04 *** Light. On both GNOME3 and Unity7, the hardware brightness keys work fine. At the bottom of i3wm, we found respectively the GNOME and the Unity windows manager. The issue on the Lenovo Thinkpad with Fedora 26 is the same on the Acer ES1-111 with Ubuntu 17.04. At this time, on my new laptop, the brightness hardware keys don’t work as expected. I’m very pleased with i3wm, but day by day I need to adjust something.
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