Gamma VERY high after any ending 3d app with my GF256

This is a discussion about Gamma VERY high after any ending 3d app with my GF256 in the Windows Hardware category; It's only started today, but whenever I quit out of any fullscreen 3d accelerated game, be it opengl or direct3d, my desktop gamma is ridiculously high. I then have to load up the display properties and go to the gamma control, upon which the gamma returns to normal, without me modifying any controls.

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It's only started today, but whenever I quit out of any fullscreen 3d accelerated game, be it opengl or direct3d, my desktop gamma is ridiculously high. I then have to load up the display properties and go to the gamma control, upon which the gamma returns to normal, without me modifying any controls. This causes some nasty problems though..
I suspect the gamma raises before the program is loaded, bacause the half life menus look like the gamma has been raised.
I can't think of anything I have done to cause this. Can any of you shed any light on to the cause and solution?

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Aug 21
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Aug 24
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Did you install any hardware or software today?
What driver version are you using?

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OP
It's fixed. It seems on my original driver install, one of the files wasn't copied across. A reinstall of the drivers fixed it.