> I am having lots of problems with gamma correction on my system. At least 
> there are a lot of iffy things.
>
> Contrary to what has been posted here, my video card's driver seems to do 
> some gamma correction (Nvidea). At least I can do a some gamma correcting 
> in the setup. However, it is a lot of voodoo: I don't know for sure what 
> is corrected and when. I really don't see any difference.

Without access to a luminance meter, just show an image like this:

http://web.mit.edu/jmorzins/www/gamma/adilger/gamma.png

Squint your eyes to blur it a bit, and then where the plane grey area (under 
the numbers) matches the black/white lines (should be in the 1.6-2.4 range), 
you can read off the gamma value.

You can tweak your settings in the nVidia control panel until you achieve a 
gamma of 2.2 with that image.

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