Below is a transcript of what happened (I ran the commands as root - sudo su -):
# apt-get --purge remove nvidia-331-updates nvidia-331 Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: nvidia-304 nvidia-current The following packages will be REMOVED: nvidia-319* nvidia-319-updates* nvidia-331* nvidia-331-updates* The following NEW packages will be installed: nvidia-304 nvidia-current 0 to upgrade, 2 to newly install, 4 to remove and 0 not to upgrade. Need to get 68.3 MB of archives. After this operation, 261 MB disk space will be freed. Do you want to continue [Y/n]? Get:1 http://au.archive.ubuntu.com/ubuntu/ precise-updates/restricted nvidia-304 amd64 304.116-0ubuntu0.0.1 [68.3 MB] Get:2 http://au.archive.ubuntu.com/ubuntu/ precise-updates/restricted nvidia-current amd64 304.116-0ubuntu0.0.1 [4,504 B] Fetched 68.3 MB in 53s (1,276 kB/s) Selecting previously unselected package nvidia-304. (Reading database ... 460709 files and directories currently installed.) Unpacking nvidia-304 (from .../nvidia-304_304.116-0ubuntu0.0.1_amd64.deb) ... Selecting previously unselected package nvidia-current. Unpacking nvidia-current (from .../nvidia-current_304.116-0ubuntu0.0.1_amd64.deb) ... Processing triggers for man-db ... Setting up nvidia-304 (304.116-0ubuntu0.0.1) ... update-alternatives: using /usr/share/nvidia-331-updates/glamor.conf to provide /usr/share/X11/xorg.conf.d/glamoregl.conf (glamor_conf) in auto mode. INFO:Enable nvidia-304 DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude Loading new nvidia-304-304.116 DKMS files... First Installation: checking all kernels... Building only for 3.9.0-030900-generic Building for architecture x86_64 Building initial module for 3.9.0-030900-generic Done. nvidia_304: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/3.9.0-030900-generic/updates/dkms/ depmod.... DKMS: install completed. Setting up nvidia-current (304.116-0ubuntu0.0.1) ... (Reading database ... 460917 files and directories currently installed.) Removing nvidia-319 ... Purging configuration files for nvidia-319 ... Removing nvidia-319-updates ... Purging configuration files for nvidia-319-updates ... Removing nvidia-331 ... Removing all DKMS Modules Done. INFO:Disable nvidia-331 DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude update-initramfs: deferring update (trigger activated) Purging configuration files for nvidia-331 ... update-initramfs: deferring update (trigger activated) Removing nvidia-331-updates ... Removing all DKMS Modules Done. update-alternatives: using /usr/share/nvidia-304/glamor.conf to provide /usr/share/X11/xorg.conf.d/glamoregl.conf (glamor_conf) in auto mode. INFO:Disable nvidia-331-updates DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude update-initramfs: deferring update (trigger activated) Purging configuration files for nvidia-331-updates ... update-initramfs: deferring update (trigger activated) Processing triggers for libc-bin ... ldconfig deferred processing now taking place Processing triggers for man-db ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.9.0-030900-generic # apt-get install nvidia-331 nvidia-prime Reading package lists... Done Building dependency tree Reading state information... Done nvidia-prime is already the newest version. Suggested packages: nvidia-331-uvm The following NEW packages will be installed: nvidia-331 0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade. Need to get 75.4 MB of archives. After this operation, 233 MB of additional disk space will be used. Do you want to continue [Y/n]? Get:1 http://au.archive.ubuntu.com/ubuntu/ precise-updates/restricted nvidia-331 amd64 331.20-0ubuntu0.0.1 [75.4 MB] Fetched 75.4 MB in 52s (1,427 kB/s) Selecting previously unselected package nvidia-331. (Reading database ... 460455 files and directories currently installed.) Unpacking nvidia-331 (from .../nvidia-331_331.20-0ubuntu0.0.1_amd64.deb) ... Processing triggers for man-db ... Setting up nvidia-331 (331.20-0ubuntu0.0.1) ... INFO:Enable nvidia-331 DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude Loading new nvidia-331-331.20 DKMS files... First Installation: checking all kernels... Building only for 3.9.0-030900-generic Building for architecture x86_64 Building initial module for 3.9.0-030900-generic Done. nvidia_331: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/3.9.0-030900-generic/updates/dkms/ depmod.... DKMS: install completed. ################################################################### # prime-select nvidia Error: alternatives are not set up properly Error: nvidia mode can't be enabled ################################################################### So, what next? Hopefully it'll come back up after reboot. See you on the other side, hopefully! Cheers, ak. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249067 Title: nvidia prime causes freeze at start up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1249067/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs