Stop monitor from going to sleep in ubuntu 16.04

multiple-monitors xorg power-management 16.04

You can use gsettings for enabling and disabling monitor from going to sleep:

  • Disable turning off screen

    gsettings set org.gnome.desktop.session idle-delay 0

  • Enable turning off screen with 5 min delay 

    gsettings set org.gnome.desktop.session idle-delay 300

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