Thank you for reporting this bug to Ubuntu. I apologize that we are not always to respond to bug reports promptly. Ubuntu GNOME 14.04 LTS reached End of Life in April.
https://lists.ubuntu.com/archives/ubuntu-gnome/2017-March/004211.html Please upgrade to Ubuntu 16.04 LTS and re-test. If the bug is still reproducible, increase the verbosity of the steps to recreate it so we can try again. Do feel free to report any other bugs you may find. ** Changed in: gnome-tweak-tool (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1353822 Title: brightness doesn't change at all. ubuntu gnome 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-tweak-tool/+bug/1353822/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs