5. KDE Neon Uninstall NVIDIA drivers and Enable Nouveau

I assume here that you have used this guide install part to install your NVIDIA drivers. This whole process is good to run on runlevel 3. When there is no X running. So first boot to runlevel 3 using direct parameter (3) on Grub linux/linuxefi line or using “systemctl set-default multi-user.target”.

5.1 Change root user

su -
## OR ##
sudo -i

5.2 Start NVIDIA Uninstall Process

nvidia-installer --uninstall

5.3 Restore / Remove /etc/X11/xorg.conf

You can restore xorg.conf backup or remove /etc/X11/xorg.conf if you don’t have any special configuration.

Fedora NVIDIA Uninstall Restore Xorg Conf

5.4 NVIDIA Uninstall Warning

You might see following warning. Just select “OK”. Fedora NVIDIA Uninstall Process

5.5 NVIDIA Installer Uninstalling

Fedora NVIDIA Uninstall Warning Altered

5.6 KDE Neon NVIDIA Uninstall Complete

KDE Neon NVIDIA Uninstall Complete

5.7 Remove blacklist nouveau from blacklist.conf

Remove blacklist nouveau line from /etc/modprobe.d/blacklist.conf

5.8 Remove NVIDIA conf

rm /etc/modprobe.d/nvidia.conf

5.9 Update grub2 conf

update-grub2

5.10 Generate initramfs

update-initramfs -c -k $(uname -r)

5.11 Remove libnvidia-egl-wayland1 package

dpkg -r libnvidia-egl-wayland1

You can also remove another dependency packages, reset gcc to 11 version etc. if needed.

5.12 Reboot

Run systemctl set-default graphical.target first or if you used direct grub parameter, then just:

reboot

5.12 NVIDIA Drivers Uninstall Complete and nouveau enabled

KDE Neon Plasma Desktop with nouveau drivers