After upgrade from 17.04 to 17.10 I can only change brightness if I log in to unity desktop and from there adjust brightness setting in system settings.
With Ubuntu 17.10 I have tried following combinations: Xorg, nvidia & unity: ok Xorg, nvidia & gnome: not ok Wayland, nouveau & gnome: not ok -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1720438 Title: brightness control broken nvidia To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1720438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs