video driver ati mobility

I have a hp laptop dv5115nr..I have a ati mobility radeon xpress works but not the way it did on xp...on xp I had a wide range of resolution .....on w7 I have only 2 (large and small) I need some in between because it makes the fonts very small. I tried changing font size but that changes every I want a driver that will allow me get the resolution that I want, that would be the first order of business...anybody got any Ideas

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