NVIDIA RTX 2070 Debian Driver Installation Guides
You are Welcome! The Tutorial Shows You Step-by-Step How to Install the Latest NVIDIA GeForce RTX 2070 Display Driver in Debian GNU/Linux Desktops.
And the RTX 2070 Driver Debian Setup is Simple and involves only the Execution of few Basic Shell Commands.
Most noteworthy: following the Nvidia Recommendations should be better to use this NVIDIA Linux Graphics Driver from the Nvidia Drivers Debian Repository.
Finally, with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.