OK, so I know that other people asked exactly the same... but I just moved from Nouveau to Nvidia using this tutorial, and the new drivers are really, really, really slow. How can I remove Nvidia drivers and recover the open ones?
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- If you added things to the blacklist, remove them now from the list with
sudo gedit /etc/modprobe.d/blacklist.conf - Now close your session and press Ctrl + Alt + F1 in the login menu.
- Login with your username and password.
- Run
sudo stop lightdm, which will stop X11 (including the standard login menu!) - Now exec
sudo nvidia-uninstall - Press Yes to restore from a backup.
- You may find errors related with non-empty folders. Ignore them.
- If you removed Nouveau, run
sudo apt-get install xserver-xorg-video-nouveau - Now you can finish with
sudo reboot
Xerz
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I had a similar problem. Solved like this:
Boot as normal and get to login screen
press Ctrl+Alt+F1
Login with your username and password.
type
sudo stop lightdmand press Enter, stops X11type
sudo apt-get purge nvidia*and press Enter - clears all nvidia itemstype
sudo apt-get install xserver-xorg-video-nouveauand press Enter - will install this package or tell you if it is already there.type
sudo reboot
This got me back up and running (although no icons in Unity Launcher - since need correct graphic drivers) check system settings to search for Additional drivers to see if this can be addressed - although adding wrong drivers may cause the system to be faulty or freeze after login.
Eric Carvalho
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user115719
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nvidia-current. Additionally,sudo stop lightdmwon't work. I think you meansudo service lightdm stop. – gertvdijk Sep 16 '12 at 12:55nvidia-currentthe same as Noveau?xserver-xorg-video-nouveau.nvidia-currentwill blacklistnouveauin/etc/modprobe.d/nvidia-graphics-drivers.conf. – gertvdijk Sep 16 '12 at 13:45