This bug was met before and had been fixed twice by BIOS updates, not sure why it cropped up again but I think it's worth to update the BIOS once again to A08 [1], as this version mentions "brightness control" in its changelog.
[1] http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/precision-m6700?driverId=1PP25&fileId=3166260455 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Changed in: linux (Ubuntu) Assignee: Anthony Wong (anthonywong) => (unassigned) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1154488 Title: Can't adjust brightness with function keys(Fn+up/down) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1154488/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
