GNU/Linux Debian Trixie Installing NVIDIA GeForce RTX 2060 Driver
How to Install NVIDIA GeForce RTX 2060 Driver on Debian Trixie 13.x desktop – Step by step Tutorial.
The NVIDIA RTX 2060 Debian 13 Driver Setup is a breeze, requiring just a few straightforward Shell Commands to complete.
Especially relevant: following the NVIDIA Recommendations is Recommended to use the NVIDIA Linux Graphics Driver from the Debian Packages Repository.
Finally, with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.

1. Launching Terminal
Open a Shell Terminal emulator window
(Press “Enter” to Execute Commands)2. Enabling Non-free Repo
How to Add Debian Non Free Repo Preserving System
3. Installing
Then to Install RTX 2060 Driver on Debian
Simply run: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