Installing
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2. Enabling Non-free Repo
How to Add Debian Non Free Repo Preserving System
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3. Installing NVIDIA Driver 340
Then to Install NVIDIA Driver 340 Debian 12 Driver
Possibly now see How to Check NVIDIA Graphics Card Model Supported Drivers.
And again before Setting it up you may Verify which is the Minimum Driver version to Support your Card on: NVIDIA Driver support Website!
Now to Setup it play:sudo apt install nvidia-legacy-340xx-driver nvidia-settings-legacy-340xx
Authenticate with the User Admin Pass.
If some Issues then See the Readme file on Bottom…
And Possibly to Configure the X Server after Setup run:nvidia-xconfig
Last, to Load your barely New Graphics Driver Reboot with:
sudo reboot
Contents