Hello everyone,
I'm unable to adjust brightness on my gateway laptop nv56r10m with my dedicated keyboard keys regardless of the OS (except Windows and for some strange reason Deepin Linux; the aforementioned oS are the only ones that allow me to adjust brightess).
In any other linux distribution, if I want to adjust brightness I have to input the following command into my terminal:
xrandr --output LVDS1 --brightness 0.5

thank you

This likely has to do with how the specific Linux distribution you are using has programmed the keyboard. Obviously, Deepin Linux has programmed it correctly. You will need to reprogram the keyboard mappings accordingly for other distributions.

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