Score:0

can not change brightness

hm flag

I have ubuntu 21.04 (had the same issue on the 20.04 on this pc) I have a DELL ALIENWARE M15 RYZEN EDITION R5 with a graphic card NVIDIA® GeForce RTX™ 3070.

When I move the brightness cursor the brightness doesn't change. By changing things in the grub it is not fixing the problem and applications to force brightness changing are not working.

Did anyone face this problem and what do you suggest for fixing this bug?

Thank you in advance.

mangohost

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