Regarding comment #5, xserver-xorg-video-nvidia-430 depends on xserver-xorg-core so it is not installed. This platform is using xserver-xorg-core-hwe-18.04 instead.
Regarding comment #5, xserver- xorg-video- nvidia- 430 depends on xserver-xorg-core so it is not installed. xorg-core- hwe-18. 04 instead.
This platform is using xserver-