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Old 10-02-2020, 05:44 AM   #1
Jan Hubený
Junior Member
 
Join Date: Oct 2020
Posts: 2
Default DisplayLink external monitor and xcalib software

Hello,

I was used to use the "invert" ability of xcalib util on my previous hw configuration (laptop with traditional docking station).
Command
xcalib -a -i
inverted the colors on monitor (either on internal panel or on external monitor).

On my current configuration (Dell Vostro 5590 + Del6000 doscking station + one external monitor) the xcalib -a -i command inverts the colors only on internal panel. It cannot change the colors on external monitor (I have also no success with -d and -s command line parameters).

Does anybody know how to use it or How to invert colors completely in the gnome 3 desktop environment ?

There are several extensions which works, but they change only colors of one active window:
https://extensions.gnome.org/extensi...-window-color/
https://extensions.gnome.org/extensi...-color-invert/
https://extensions.gnome.org/extensi...reserving-hue/
https://extensions.gnome.org/extensi...-window-value/

I try to search solution which works for the whole desktop.

Thank you,

H.
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