It looks like we're tracking a similar bug report about broken brightness controls on HP EliteBook 8560w in the 319 and later drivers in the NVIDIA internal bug tracker. That bug tracker is not visible to the public, but in case you want to check with NVIDIA support on the status of the bug, the bug number is 1372953.
The root cause of this issue has not yet been investigated, so there's nothing to report at the moment, other than that we are indeed able to reproduce this issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241745 Title: [regression] Changing the screen brightness does not work anymore in 319.xx To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1241745/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
