How to Disable second screen in Ubuntu

On update, ubuntu shows 2 screen as default. Here is fix xrandr | grep connected sudo nano /etc/lightdm/monitor1-off.sh #!/bin/bash   xrandr –output HDMI1 –off #change HDMI1 with your device id ( you can check by executing command ‘xrandr’ sudo chmod +x /etc/lightdm/monitor1-off.sh Edit /etc/lightdm/lightdm.conf and add the following line to the file greeter-setup-script=/etc/lightdm/monitor1-off.sh It will remove …

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