Killing X Server on Linux Mint 19
You are Welcome! This Guide simply shows you Step-by-step How to Stop the X Server in Linux Mint 19.x Tara/Tessa/Tina/Tricia Mate/Cinnamon/Xfce Desktop.
So with this procedure you should be able to Stop Mint 19 X Server and drop a Runlevel 3 Shell.
Then Login again
So enter your Username & Pass.