Need help with installing the graphics driver

[markcodes]

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[#&thj^%]

Your source is there, but wont show what we need to see???
Let me see this please:

apt list --upgradable

[markcodes]

Listing... Done
gnome-text-editor/noble-updates 46.3-0ubuntu1 amd64 [upgradable from: 46.1-1]
N: There is 1 additional version. Please use the '-a' switch to see it

[#&thj^%]

I'll bet your using wayland now, show this please:

inxi -G|grep Display

[markcodes]

 Display: wayland server: X.Org v: 23.2.6 with: Xwayland v: 23.2.6

[#&thj^%]

Can you log out and back in again with Ubuntu on X11.

[markcodes]

Did that, now the command outputs this:

Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:

[#&thj^%]

Nice, Now show me any errors from:

sudo apt install nvidia-driver-390 nvidia-dkms-390

[markcodes]

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package nvidia-driver-390
E: Unable to locate package nvidia-dkms-390

[#&thj^%]

He may have named it different

apt search nvidia-graphics-drivers-390