Unable to install nvidia-driver-495 and nvidia-dkms-495

Solution 1:

Delete /var/crash/nvidia-kernel-source-495*.crash

(re)install linux-firmware

Open Software & Updates Additional Drivers tab, and select the nouveau driver. Then reboot.

Purge all Nvidia software.

dpkg -l *nvidia* should all show as un for uninstalled.

dkms status should show no nvidia kernel modules.

Open Software & Updates Additional Drivers tab, and select the Nvidia 495 driver. Then reboot.