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I am using an Acer Aspire 3680 with Intel GMA 950 video running Ubuntu 12 and I cannot find the setting to adjust the screen contrast setting. Too many colors and grays are washed out on the current setting.

What command or graphical utility will do this?

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2 Answers 2

maybe you can try "xcalib".

sudo apt-get install xcalib

default(clear):

xcalib -c

Load ICC file:

xcalib ICC_file.icc

adjust contrast:

xcalib -co 70 -a

PS. number means percentage, -a means alter if you want to adjust more, ask "man"! lol

man xcalib

hope that is helpful!!

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Where are the icc profiles kept? –  CyberSkull Jan 11 '12 at 8:18
    
Ah, found some in /usr/share/color/icc. –  CyberSkull Jan 11 '12 at 8:20
    
Well, it does something, but it is not fixing the contrast issues. –  CyberSkull Jan 11 '12 at 8:31
    
This works only for current session. When I restart again it doesnot work –  user43941 Jan 28 '12 at 13:47

Enabling the setting for creating Negative screen contrast may help you. Here is the link-

How do I change screen contrast?

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That is… not useful in my situation. –  CyberSkull Apr 5 '13 at 9:51
    
Sorry. There are 2 ways to adjust contrast 1) On the physical monitor settings 2) With the graphics card software settings. Here is a link with similar issue, hopefully it help: superuser.com/questions/96539/… –  Sepero Apr 5 '13 at 12:06

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