I am experiencing the same as Alex, but I believe it was because the kernel moduledriver did not install correctly, i.e.
A instalar nvidia-177-kernel-source (177.82-0ubuntu0.1) ... Removing all DKMS Modules Done. Adding Module to DKMS build system driver version= 177.82 Doing initial module build Error! Your kernel source for kernel 2.6.27-9-generic cannot be found at /lib/modules/2.6.27-9-generic/build or /lib/modules/2.6.27-9-generic/source. Installing initial module Error! Could not locate nvidia.ko for module nvidia in the DKMS tree. You must run a dkms build for kernel 2.6.27-9-generic (i686) first. Done. A instalar nvidia-glx-177 (177.82-0ubuntu0.1) ... The problem is... how can there be something missing if I haven't uninstalled anything in a month? -- Latest Xorg removes nvidia driver ... conflicting xserver-xorg-video-4 https://bugs.launchpad.net/bugs/308410 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs