You've got an unofficial nvidia installation, so you need to build the kernel module for the updated kernel by hand..
** Changed in: xorg (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/829334 Title: Xorg doesn't start after the update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/829334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs