This bug is linked to the previous: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1214287
Latest saucy kernel have been tested and the issue have been confirmed on them. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1225811 Title: [Dell Inspiron 15R 5521] Can't toggle backlight brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1225811/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs