I'm experiencing this problem on my Dell Inspiron 1520 with Intel and nVidia 8400 too. I've used Envy to update to the latest driver from nVidia and the problem still exists. I ran for a long time without restricted driver and the problem existed then too.
-- backlight brighness control does not work (Samsung Q45 with Nvidia GForce 8400M) https://bugs.launchpad.net/bugs/146710 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
