14.04 - Nvidia X Server Settings only shows 1 screen (laptop + external monitor connected) - Ask Ubuntu
12.04 - Unable to detect second display via HDMI with NVIDIA X Server Settings? - Ask Ubuntu
HDMI/DP Monitor no signal but recognized Linux Mint 19 - Softhints
Ubuntu 20.04 Makes It Easy to Enable Fractional Scaling - OMG! Ubuntu!
Going Linux · How To Setup a 1080P HDTV as a Monitor Connected to a VGA Port
What To Do When Your Second Monitor Is Not Detected
GitHub - dianariyanto/virtual-display-linux: Create virtual display / monitor on linux OS for extended display via teamviewer or vnc server without any real Monitor is Plugged In.
display - Change Primary monitor - Ask Ubuntu
Using Linux Mint 18.3. Nvidia does not recognize display (laptop) and shows only "X Screen 0". Also, having screen tearing issue while running videos. Any solutions? : r/linuxmint
How do I get my Nvidia monitor position settings (in Linux) to persist after a restart? - Super User
How to find ID of the display connected to your Linux system
Fix your "Unknown Display" problem in Ubuntu/Linux Mint - NoobsLab | Eye on Digital World
How do I find out screen resolution of my Linux desktop? - nixCraft
Primary display is not detecting in Ubuntu 16.04 - Ask Ubuntu