Oh sorry, I did not read bug's description carefully. It is about functional keys. The didn't work for me as well.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. https://bugs.launchpad.net/bugs/704544 Title: brightness keys don't work on HP Elitebook 8540p -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
