Hi, I'm having this same problem on a Gateway MX6440 laptop too. The symptoms are similar, I am able to use keyboard functions to adjust the brightness, but not the applet. I've loaded the "dcdbas" kernel module as suggested by this thread, but it has not helped.
-- Dell Laptops don't talk to HAL about brightness correctly https://bugs.launchpad.net/bugs/43572 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a direct subscriber. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
