Linux screen control

xrandr alone will give you available resolutions for each display attached

Some examples:
xrandr –output eDP –mode 1280×720
xrandr –output HDMI1 –mode 1280×720
xrandr –output -eDP1 –mode 1280×720
xrandr –output HDMI2 –mode 1280×1024

Dual-monitor setup where the desktop is extended to the right of the main PC monitor
xrandr –output HDMI1 –mode 1920×1200 –right-of eDP1


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