Brightness regulation not working

[anon89812132]

Hello,

@Caraffa

5.11.4-1-rt11-MANJARO

Is EOL = end of life and no longer in repositories. How did you updated that kernel and when?
Please check this as it might help

Lenovo Legion 5 - Can't change backlight/brightness

Issue I’ve just recently installed Manjaro with the KDE Plasma 5.20.5 desktop environment and I have come across the following issue: the brightness keys on my laptop (Lenovo Legion 5) don’t have any effect on the monitor’s backlight intensity. They still prompt the brightness slider icon and change the brightness value present in /sys/class/backlight/intel_backlight/actual_brightness. If I turn the brightness all the way down to 0 I just get a black screen. The laptop boots at max brightness b…