Public bug reported: I believe there is a conflict between Nvidia x server and Unity. I just used Nvidia X server so I could activate my dual monitors. Ever since then Unity effects don't work, and I cannot access my display preferences. Ubuntu 12.04, Display properties, and Nvidia x Server.
ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: gnome-control-center 1:3.4.1-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14 Uname: Linux 3.2.0-23-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.0.1-0ubuntu5 Architecture: amd64 Date: Tue Apr 24 19:52:40 2012 ExecutablePath: /usr/bin/gnome-control-center InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_gnome-control-center: activity-log-manager-control-center 0.9.4-0ubuntu3 deja-dup 22.0-0ubuntu2 gnome-bluetooth 3.2.2-0ubuntu5 indicator-datetime 0.3.94-0ubuntu2 ** Affects: gnome-control-center (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug precise -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/988103 Title: Can't access display controls after installing dual Monitors through Nvidia x server. All unity effects stopped working even after reboot. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/988103/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs