This bug affects me too, on a HP Probook 4710s. I have tried the ideas you've suggested - something happened, because the brightness notification appeared once, but since than, it does not work. So it worked on the first keypress - displayed the notification.
-- Brightness adjustment doesn't work for HP ProBook 4720s https://bugs.launchpad.net/bugs/592592 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
