I have this too, with Ubuntu 11.10 on a Dell XPS 17 L702X. I'm running Bumblebee for the graphics driver. What is *very* odd is that the brightness keys are very slow if I use the internal keyboard, but they work immediately if I use my external keyboard (a wired Apple aluminium keyboard).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/847001 Title: Adjusting display brightness is very slow on Dell E5410 with Natty. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/847001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
