Hello Hans, You can just remove the vivid kernel by removing those packages that the wiki page ask you to install. And reboot, you will be running on Trusty kernel again.
BTW the Vivid kernel will reach EOL on Aug. 2016, see: https://wiki.ubuntu.com/Kernel/LTSEnablementStack#Kernel.2BAC8-Support.A14.04.x_Ubuntu_Kernel_Support -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389215 Title: Brightness controls are not working in Unity / Xorg because of Nvidia proprietary driver. To manage notifications about this bug go to: https://bugs.launchpad.net/nvidia/+bug/1389215/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
