Thanks for doing more testing. Since this bug appears to involve the nvidia package, I changed the "affects" to the source package for nvidia-current.
** Project changed: ubuntustudio => nvidia-graphics-drivers-304 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1570577 Title: screen brightness change doesn't work with tested NVidia drivers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1570577/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs