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Tags: display   xrandr  
Link: šŸ” See Original Answer on Ask Ubuntu šŸ”—

URL: https://askubuntu.com/q/1178690
Title: Disabling external monitor with xrandr also disables laptop screen
ID: /2019/10/04/Disabling-external-monitor-with-xrandr-also-disables-laptop-screen
Created: October 4, 2019
Upload: November 24, 2022    Layout:  post
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Iā€™m not using i3 windowing manager but what could be happening here is external monitor is the primary monitor and laptop display mirrors it. Either way create this bash script:

#!/bin/bash
xrandr --output DP1 --off
xrandr --output eDP1 --auto --primary

Mark the script as executable: chmod a+x /path/to/scriptname

Then call the script with /path/to/scriptname

Replace eDP1 with your laptop monitor name discovered using:

xrandr | grep " connected"
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