i have the same problem with my 640m/E1405 do you use edgy? Can you change the display-brightness by hotkey? Have a look at Bug #70758
-- Inspiron 6400 - Problem with headphone https://launchpad.net/bugs/68930 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
