Strange issue with screen brightness function keys

Help
1

I can change the sound volume with the function keys with no issues, but when I attempt to change the screen brightness, I get prompted for auth for each key press.

This is a Framework 13 AMD running NixOS v25.11.

2

Have you set hardware.acpilight.enable = true yet?

3

No, I have not. Where do I set that?

4

Just add hardware.acpilight.enable = true; somewhere in your configuration.nix file and run nixos-rebuild switch.

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5

That fixed it.

Thank you ! ! !

1 Like