How to install the Nvidia 340 driver on Debian?
This guide has been tested on an installation of Linux Mint Debian Edition, but it should work on Debian itself or on any distributions based on Debian.
Checking what Nvidia driver you need¶
Install and run nvidia-detect:
apt install nvidia-detect
If the output mention that you need to install
nvidia-legacy-340xx-driver, this guide is for you.
Removing every old Nvidia driver (including Nouveau)¶
We now have to remove every other Nvidia drivers so that the system correctly use the Nvidia 340 driver.
apt purge nvidia.
. after nvidia
Install the Nvidia 340 driver¶
apt install nvidia-legacy-340xx-driver