Step-by-step – GeForce GTX 1660 Ti Driver Installation in Debian Buster

Installing

2. 2. Setting Up Backports

   How to Install Backports Repository on Debian GNU/Linux

   Backports Debian Buster Setup Guide

   GNU/Linux Debian Buster Backports Installation Guide

   Follow instructions to Enable the ‘contrib‘ and ‘non-free‘ Sources.

3. 3. Installing NVIDIA GTX 1660 Ti Driver

   Then to Install GeForce GTX 1660 Ti Driver on Debian
   Simply run:

   sudo apt install -t backports nvidia-driver

   Or:

   sudo apt install nvidia-driver nvidia-settings

   If Got “User is Not in Sudoers file” then see: How to Enable sudo
   And Possibly to Configure the X Server after Setup run:

   nvidia-xconfig

   Last, to Load your barely New Graphics Driver Reboot with:

   sudo reboot