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I8200 cannot change brightness level


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I am not able to adjust the brightness level of my backlight both in the bios and with Fn+"up/down". here is my hardware specs


2.4Ghz P4-M

1.25GB RAM


GF4 440 Go 32MB

15" UXGA Screen

Forceware 82.10

anyone know what would cause this? I would like to get better battery life but cannot dim the backlight at all. Thanks for any help or suggestions

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Are you still in warranty? If yes, report the problem to Dell, you'll most likely get your screen replaced (happened to me once).

Is this a new problem for you, or since when did it appear?


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  • 4 months later...

I have the UXGA lcd and GF4 440 Go 32MB with Bios Previously had bios C1 but newer bios made no difference. I guess I could try my old GF2 card and see if that makes a difference

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