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Old 05-17-03, 01:58 PM   #1
elektrohirn
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Default geforce 4 mx and flat panel

hello, i've got a mainboard with nforce2 and integrated geforce 4 mx and i have a samsung flat panel attachted to it (with vga, no dvi). the problem is, the display is much too bright, even if i set the brightness and contrast on the monitor to the lowest level it's still too bright. the colors look over-saturated, grey becomes very blueish-greenish. under windows, i can adjust brightness/contrast/gamma in the nview tool, how can i do this in linux?

thanks
thomas
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Old 05-20-03, 09:14 PM   #2
Petersen
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Default Re: geforce 4 mx and flat panel

Quote:
Originally posted by elektrohirn
hello, i've got a mainboard with nforce2 and integrated geforce 4 mx and i have a samsung flat panel attachted to it (with vga, no dvi). the problem is, the display is much too bright, even if i set the brightness and contrast on the monitor to the lowest level it's still too bright. the colors look over-saturated, grey becomes very blueish-greenish. under windows, i can adjust brightness/contrast/gamma in the nview tool, how can i do this in linux?

thanks
thomas
This is something I don't understand with the nvidia linux drivers... There have been so many versions now, and while, as you correctly tell us, this brightness/contrast/gamma control is possible under windows, there is STILL NO SUCH BEAST in the linux drivers!?

Why does nvidia not implement this feature for linux as well?

Under linux (X), there is not much you can do, there is xgamma, but this only changes gamma, not brightness, nor does it change contrast.

At least, there is some new tool called "xbrightness" which allows for reducing the overall brightness. Check it out. My impression, however, is that it changes contrast instead of brightness, but changing contrast is even more useful than being able to change brightness, in my opinion.

So this may be of some help to you.

Still, it would be really cool, if nvidia finally gave linux people the same detailled control as it is available to windows people (brightness - contrast - gamma, all as separate and independent options). For windows, the situation is even better due to powerstrip (shortcut controls of brightness, contrast, gamma, even from within games!). But powerstrip is not free, and the nvidia driver controls are (basically) sufficient.

Once again:
Why not (finally) for linux?


Regards
Petersen
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Old 05-21-03, 03:12 AM   #3
elektrohirn
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Default found 'solution'

thanks for your answer, well i found a 'solution' for my problem by now, i just attached my display to VGA2, where the brightness/gamma is absolutely ok, but the whole display is a bit blured right now, but on the other side - i can turn antialiasing off and i still have antialiased fonts :-) well it's not so bad, i get used to it. so thats ok until there's a REAL nvidia driver for linux ... i know xgamma, it didn't help much, perhaps xbrightness does ... thanks again

thomas
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