Setup custom screen resolution on Linux Mint 19.2 and save
cvt 1920 1080
Copy the modeline from “1920×1080 to +vsync
xrandr –newmode “1920x1080_60.00” 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
xrandr –addmode VGA-1 1920x1080_60.00
Save settings:
sudo nano ~/.profile
Paste above xrandr –newmode and xrandr –addmode full command lines at the bottom of the .profile file and save it.