Step-by-step – Nvidia Driver Installation in Zorin OS

Installing

2. 2. Setting Up NVIDIA Repo

   How to Add NVIDIA Graphics and GPU Drivers Zorin OS PPA Repo

   Adding NVIDIA PPA

   GNU/Linux Zorin OS NVIDIA PPA Setup

   Especially relevant: Ubuntu 16.04 based Do Not Support the Newest NVIDIA Cards, so in case you may try to Run your System with the Open Source Nouveau Driver.

3. 3. Installing NVIDIA Driver

   First, to Check for the Available NVIDIA Driver
   Simply run:

   sudo apt search nvidia-driver*

   Finally, to Install the Driver, for Instance do:

   sudo apt install nvidia-driver-555 nvidia-settings

   But for Ubuntu 16.04 Based amend the the above Command with the latest available Release.
   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-515 nvidia-settings

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

   sudo reboot