Unable to change brightness

Desktop Environments Gnome

xircon November 4, 2023, 3:25pm 2

Same here, not found a solution:

Problems with nVidia 545 Kernel, boot, graphics & hardware

Backlight adjustment stops working - repeated a lot: 58445: Nov 03 19:37:53 xircon-legion systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:nvidia_0... 58446: Nov 03 19:37:53 xircon-legion systemd-backlight[12809]: nvidia_0: Failed to write system 'brightness' attribute: Invalid argument 58447: Nov 03 19:37:53 xircon-legion systemd[1]: systemd-backlight@backlight:nvidia_0.service: Main process exited, code=exited, status=1/FAILURE 58448: Nov 03 19:37:53 xircon-legion s…

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