How to install proprietary "NVIDIA driver"? You appear to be running an X server; please exit X before installing

We are against nonfree software dude, because we believe is a inmorality share the slavery, because as with nonfree software you are under the hands of other, in this case Nvidia and his friends, you dont have the control of your computing one time you have it installed, so you never go to find help to install malware a.k.a nonfree software in a free distribution of the GNU Operating System.

Your in the wrong forum my dude.

He just wants video. Shouldn't we be telling him to install nouveau?

sudo apt install xserver-xorg-video-nouveau

And then reboot. Try it.

>"What could you possibly miss in: "How to install proprietary NVIDIA driver?"”

I literally thought he wasn't able to get a graphical desktop and thought the only way was with the nvidia driver, and that it was a great opportunity to tell him about his free software choices.

Try the Oibaf PPA, which has libre drivers, and run apt-get update and apt-get upgrade.

https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers?field.series_filter=jammy

If you want newer driver support, you can try Trisquel 11, it's on beta status:

http://cdbuilds.trisquel.org/aramo/

Install it. Then, follow this guide to install the upgraded repo for libre GPU drivers.

Create an /etc/apt/sources.list.d/oibaf-ubuntu-graphics-drivers-aramo.list file with this content:

deb https://ppa.launchpadcontent.net/oibaf/graphics-drivers/ubuntu/ jammy main
# deb-src https://ppa.launchpadcontent.net/oibaf/graphics-drivers/ubuntu/ jammy main

Then run

sudo apt-get update && sudo apt-get upgrade

The answer to 101's question is:

When you get to the GRUB boot menu, do not do nothing to choose default or select select an option and hit return on your keyboard to select that option. Instead, choose an option and hit "e" on your keyboard, which enables you to edit the option. Using arrow keys on your keyboard move to the line with the vmlinuz command and towards the end of that line type in an additional option which is
"systemd.unit=multi-user.target". Only type what is between the quotation marks, not the marks themselves. Follow directions for booting with your revised command-line (I need to type either control-X or F10) and log in by typing your user name and password when prompted. This logs you into a "console" (non-graphical) shell, with no graphics drivers or "X11" running. Then follow Nvidia's instructions.