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pcdavid/setup-external-screen

Last active September 27, 2018 13:47
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Enabling 2560x1440 under Linux (tested with Ubuntu 13.10 on an Asus Zen Prime UX31A with Intel HD 4000 and a Iiyama XB2779QS)
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gistfile1.md

Try 55 Hz if possible:

% xrandr --newmode "2560x1440_55.00" 220.812 2560 2608 2640 2720 1440 1443 1448 1478 -hsync -vsync
% xrandr --addmode HDMI1 "2560x1440_55.00"

or 30 Hz otherwise:

% xrandr --newmode "2560x1440_30.00" 146.25 2560 2680 2944 3328 1440 1443 1448 1468 -hsync +vsync
% xrandr --addmode HDMI1 "2560x1440_30.00"
Raw
setup-external-screen
#!/bin/sh
xrandr --newmode "2560x1440_55.00" 220.812 2560 2608 2640 2720 1440 1443 1448 1478 -hsync -vsync
xrandr --addmode HDMI1 "2560x1440_55.00"
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