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Old 08-26-2017, 11:29 AM   #1
NOOTNOOT
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How to calibrate the screen?


After Windows no more worked on my HP Pavilion g6 Notebook, Ubuntu was installed. And I am soo lost..

As an artist I need to have the right colors, contrast and gamma on my monitor. However on the color settings it doesn't let me choose the option to calibrate.?
 
Old 08-26-2017, 02:12 PM   #2
Emerson
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None of this was helpful?
 
Old 08-27-2017, 07:27 AM   #3
NOOTNOOT
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I just found out about LProf.
How do I install it..?

I'm a complete dumbass with linux. u_u
 
Old 08-27-2017, 10:42 AM   #4
Shadow_7
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You can adjust manually brightness and gamma with xrandr.

$ xrandr --output HDMI-A-0 --brightness 0.7 --gamma 1.25:1.25:1.25

where

$ xrandr --output HDMI-A-0 --brightness 1 --gamma 1:1:1

is the default values.

The values for gamma are in the RED:GREEN:BLUE order and use a float number where 1.0 is the default. Otherwise displaycal, colorhug, and other things to calibrate. There used to be libxca which you could pass a calibration file, although it seems to no longer exist in various distros.

You can change your background color to help balance manually.

$ xsetroot -solid rgb:ff/00/00; # red
$ xsetroot -solid rgb:00/ff/00; # green
$ xsetroot -solid rgb:00/00/ff; # blue

Or use xsetbg to set your background to a png image. Using xrandr with no parms will show available display names and modes. And other things available via a right mouse -> properties type things depending on your environment in X11.

$ xrandr

Otherwise nvidia-xconfig and amdcccle for those branded GPUs.
 
Old 08-27-2017, 03:42 PM   #5
ondoho
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Quote:
Originally Posted by NOOTNOOT View Post
I just found out about LProf.
How do I install it..?
i know nothing about LProf.
it seems you know more than us - please share your knowledge!
in return, we might be able to help you.
 
  


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