zszoet,It wasn't working for me. But the reason was that the gnome power manager wasn't running for some reason. I executed it and the brightness controls started working perfectly. Perhaps that is your problem.
-- Screen brightness control fails on Dell Studio 1558 https://bugs.launchpad.net/bugs/568611 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