GeForce Rtx 4070/4070Ti Linux Mint 21 Driver Installation – Step-by-step

How to Install

2. 2. Setting Up NVIDIA Driver Repo

   How to Add NVIDIA Graphics and GPU Drivers Linux Mint PPA Repo

   Adding NVIDIA PPA

   GNU/Linux Mint 21 NVIDIA PPA Setup

   Possibly now see How to Check NVIDIA Graphics Card Model Supported Drivers.

3. 3. Installing RTX 4070/4070Ti Driver

   Then Check for the Available NVIDIA Driver
   Simply run:

   apt search nvidia-driver*

   Take Note of the Latest Driver Release EG: 555.
   But before Setting it up it’s recommended you Verify what is the Drivers Range to Support your Card on: NVIDIA Driver support Website!
   And when in doubt then see also How to Check NVIDIA Graphics Card Model Supported Drivers.
   Next to Install the latest Driver, for Instance do:

   sudo apt install nvidia-driver-555 nvidia-settings

   And in case of Issue try instead with the more powerful aptitude Package Installer.
   So first, to Install Aptitude run:

   sudo apt install aptitude

   And next try the Setup again playing:

   sudo aptitude install nvidia-driver-555 nvidia-settings

   Last, to Load your barely New Graphics Driver Reboot with:

   sudo reboot now