I am experiencing same problem on my Sony VAIO VGN-NS328j laptop. When I press Fn+F5 or Fn+F6 the brightness doesn't get changed. I upgraded from lucid today. The brightness control was working fine in Lucid. Please contact me if you need for info or log files.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/568611 Title: Screen brightness control fails on Dell Studio 1558 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs