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Tag Archives: xrandr

Set screen brightness with xrandr

Posted on November 21, 2019 by admin
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Find active screens with

xrandr | grep " connected"

Example output

HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 527mm x 296mm
eDP-1-1 connected primary 1920x1080+0+0  (normal left inverted right x axis y axis) 294mm x 165mm

Set desired screen brightness. Range is from 0-1

xrandr --output eDP-1-1 --brightness .5
Posted in Linux | Tagged brightness, linux, screen, xrandr | Leave a reply

Alienware 13 R3 change screen brightness – Linux

Posted on May 18, 2019 by admin
Reply

Find the screens output

xrandr | grep " connected"

The internal display should be eDP-1-1

Set screen brightness halfway. Change .5 as needed.

xrandr --output eDP-1-1 --brightness .5
Posted in Linux | Tagged 13, 13 R3, alienware, dell, edp, linux, screen brightness, xrandr | Leave a reply

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