GNU/Linux Ubuntu 22.04 Installing Nvidia GeForce 820M/825M Driver Guide
How to Install Nvidia GeForce 820M/825M Graphics Driver in Ubuntu 22.04 Jammy LTS GNU/Linux Desktop – Step by step Tutorial.
The NVIDIA GeForce 820M/825M Driver Ubuntu 22.04 Setup is Simple and involves only the Execution of few Basic Shell Commands.
Moreover, following the NVIDIA Recommendations should be better to use this Nvidia Linux Graphics Driver from the Ubuntu Nvidia Driver Repository.
Especially relevant, prior to the Driver Setup you may consult:
Finally, with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.

1. Updating Repository
How-to Quick-Start with Command Line on Ubuntu:
First Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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