@Fabio: please try waubuntu-drivers-common 0.2.91.8 that you can find here (pick the one that matches your architecture i.e. amd64 for 64 bit or i386 for 32 bit):
http://people.canonical.com/~amilone/lp1365695/ Then edit /etc/default/grub with root privileges and add the"gpumanager_modesetting" parameter to the GRUB_CMDLINE_LINUX_DEFAULT="..." line, so that, for example, GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" becomes GRUB_CMDLINE_LINUX_DEFAULT="quiet splash gpumanager_modesetting" Then update grub: sudo update-grub reboot and see if anything changes (please attach /var/log/gpu-manager.log and /var/log/Xorg.0.log with nvidia enabled, not in power saving mode) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1365695 Title: No longer able to use GUI after update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/+bug/1365695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs