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Color Management: Vista won't hold a custom ICC profile

G

globetrotter

#1
I have an HP Pavilion dv2000 laptop running Vista. I used a Spyer2Pro to
calibrate my monitor and use the accompanying ColorVision program to load the
resultant ICC custom profile as the default color profile via the Vista
startup routine. The profile loads fine, and the color switches to the
custom profile. After two or three minutes, however, the colors switch back
to the uncalibrated Vista default profile. Only a reboot will load the
custom profile again. Any ideas? HP was no help. Thanks in advance.
 

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A

Andrew McLaren

#2
"globetrotter" <globetrotter@xxxxxx> wrote ...

>I have an HP Pavilion dv2000 laptop running Vista. I used a Spyer2Pro to
> calibrate my monitor and use the accompanying ColorVision program to load
> the
> resultant ICC custom profile as the default color profile via the Vista
> startup routine. The profile loads fine, and the color switches to the
> custom profile. After two or three minutes, however, the colors switch
> back
> to the uncalibrated Vista default profile. Only a reboot will load the
> custom profile again. Any ideas? HP was no help. Thanks in advance.
Hi Globetrotter

This appears to be a common problem with Vista and ICCs - possibly a bug.
The ICC will load, but then the Gamma Look-Up Table will be reset following
a number of different actions. See for example:

http://neosmart.net/blog/2007/windows-vistas-gamma-table-bug/

As far as I know, there is no bug number and no hotfix yet. Note that it may
be highly dependent on your graphics card hardware and driver, as well as
the Windows-supplied colour profile functions (unconfirmed).

As suggested in the above blog, running the DisplayProfile utility may be a
workaround.

The Colour team at Microsoft have a blog site here:
http://blogs.msdn.com/color_blog/default.aspx. You may be able to contact
them directly to see if they know about the problem or the solution.

Good luck with it,
--
Andrew McLaren
amclar (at) optusnet dot com dot au
 

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