I have done some more testing following the guidelines on https://wiki.ubuntu.com/Hotkeys/Troubleshooting .
If I execute "killall gnome-settings-daemon gnome-power-manager" the brightness hotkeys starts working perfectly except there is no on screen display. -- Cannot change screen brightness on Fujitsu T2010 laptop in Intrepid https://bugs.launchpad.net/bugs/220407 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