How to adjust contrast with xcalib

Question

I'm trying to adjust contrast on my laptop, a ThinkPad E430, running ubuntu 12.04:

xcalib -co 70 -a
xrandr --output LVDS1 --brightness 0.7

Either of them works only for 1-2 seconds and after that contrast drops to its normal setting by Ubuntu. What should I do to prevent this action?

You should add the solution as an answer to help others and show that this question has been solved — kiri, Sep 10 '13 at 11:47

score 3 · Answer 1 · 2014-01-07T23:52:36.740

3

This is a workaround that achieves the same goal:

xbacklight -set 77
redshift -t 6100:6100 -g 0.8:0.8:0.8

edited Jan 07 '14 at 23:52

answered Jan 07 '14 at 23:29

score 1 · Answer 2 · answered Jun 28 '15 at 21:34

1

I had a similar problem with xcalib only working for 1-2 seconds, and in my case the problem was that I was already running redshift, which repeatedly sets the color settings to what it wants.

After I stopped redshift, xcalib worked as intended.

answered Jun 28 '15 at 21:34

user985366

474

How to adjust contrast with xcalib

2 Answers2

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