![]() Packages in Ubuntu archiveįrom Jaunty onwards there are nouveau packages in the Universe archive. ) on your machine(s) before you attempt to install nouveau, because for downloading it from, you need a working JavaScript-capable browser, and re-downloading will be hairy if you are not able to start X because of a broken xorg server installation. In that case, ensure that you have a working proprietary nVidia driver installation (e.g. If you installed the nVidia driver (as downloaded from ) manually, this will break your nVidia driver install, and it will need to be reinstalled if you wish to use it again. You may wish to remove it manually using the restricted manager and then restart. If you are using the Ubuntu packages the xserver-xorg-video-nouveau package will automatically remove the nvidia-glx-* package when it is installed and the nvidia-glx packages will automatically remove the nouveau package when it is installed. You'll have to reinstall it using apt-get in case you want to the proprietary nVidia driver is a requirement for this. Therefore, attempting to install the Ubuntu nouveau package will remove the nvidia-glx-* package from the system, making your installation of the proprietary nVidia driver unusable. ![]() Nvidia's proprietary libglx module is incompatible to the standard libglx module which is needed for free and open-source drivers such as nouveau. Warning for older releases (before Oneric?) You don't need to uninstall xserver-xorg-video-nouveau. Restore your backup copy of nf, or edit it to change the Driver from "nouveau" to "nvidia". Click "NVIDIA accelerated graphics driver (version current)". Go to System Settings / Additional Drivers. To revert these changes, just do the opposite. The minimal /etc/X11/nf file, which you should try, if you encounter any problems, is: Section "Device" Edit /etc/X11/nf to change the Driver from "nvidia" to "nouveau". With all of these proprietary drivers deactivated and the xserver-xorg-video-nouveau package installed, it will automatically use nouveau. Click the activated driver, which is probably "NVIDIA accelerated graphics driver (version current)". To switch to nouveau, go to System Settings / Additional Drivers. It won't uninstall the proprietary nvidia drivers. ![]() Install the xserver-xorg-video-nouveau package. Restart with sudo reboot and check the versions of the installation.Note: For hints for building nouveau on Ubuntu, see UbuntuTips Ubuntu 11.10 Oneric ![]() Use the keyboard combination Ctrl + X to exit nano. Use the keyboard combination Ctrl + O and after that press Enter to save the file to its current location. Sudo add-apt-repository ppa:graphics-drivers Setup the correct CUDA PPA on your system. Sudo apt remove -autoremove nvidia-cuda-toolkit ![]() Open the terminal and remove any NVIDIA traces that you may have on your system. ![]()
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