m1gin 76

Turn off and on the monitor:

sleep 2; xset dpms force off

In case any keyboard or mouse event happened the monitor will turn on.

Alternatively we can make the brighness 0

xrandr --output <DISPLAY_NAME> --brightness 0

To make switch back the brightness:

xrandr --output <DISPLAY_NAME> --brightness 1

https://askubuntu.com/questions/253818/manually-turn-off-monitor



Fix Fn keys for changing brightness:

https://askubuntu.com/questions/866437/function-keys-do-not-work-brightness-sound-ubuntu-16-04





Change screen brightness:

https://askubuntu.com/questions/62249/how-do-you-change-brightness-color-and-sharpness-from-command-line

https://askubuntu.com/questions/773155/artificially-increase-maximum-screen-brightness


  • xrandr --current

.... LVDS-1 connected primary 1366x768+0+0 ........

  • xrandr --output LVDS-1 --brightness 1.2


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