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Old 10-19-2017, 08:39 PM   #1
i2000s
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Join Date: Jun 2017
Posts: 20
Default 1.4 not working with RedShift for nightmode on secondary monitor

Sorry, I am reporting from Windows but the issue happened on my Ubuntu 16.04.3. The night mode gamma doesn't apply to the external monitor connected with the DisplayLink USB 3.0 dock.

I tried

$xgamma -gamma 0.5
-> Red 1.000, Green 1.000, Blue 1.000
<- Red 0.500, Green 0.500, Blue 0.500

It seems it's a driver problem. Applying "xrandr --output DP-3 --gamma 0.5:0.5:0.5" doesn't change anything for the external monitor. I don't have the log file at hand, but if anyone else encountered this issue, please provide a log file. Thanks!
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