Found solution (works for GNOME only): https://bugs.launchpad.net/ubuntu/+source/xfce4-power- manager/+bug/415023?comments=all
message #210 1. Get the file 2. Run 3. Reboot -- Monitor Brightness goes up and down by itself https://bugs.launchpad.net/bugs/490272 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs