Installing
2. Setting Up NVIDIA Driver Repo
How to Add NVIDIA Graphics and GPU Drivers Linux Mint PPA Repo
Follow Ubuntu 18.04 Bionic Setup.
3. Installing RTX 3060 Laptop Driver
Then Check for the Available NVIDIA Driver
Simply run:sudo apt search nvidia-driver*
Take Note of the latest suitable 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!
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