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I want my old machine (Athlon XP, Radeon9200, Ubuntu 11 on a 19" Mitsubishi Diamondtron) to display a screen resolution of at least 1600x1200 @ 75hz. The monitor's control panel gives no option and xrandr / flgrx commands does nothing.

Anyone who knows a working command line wins one free internet, otherwise I'll just roll back to XP pro. Yes I know ATI has NO drivers... but it's a good machine, trust me.

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ATI has Catalyst drivers. I had them installed before.

From the Dash, open the Additional Hardware software. Your graphics card (and maybe other hardware) will be automatically detected and proprietary drivers for it will be displayed.

Go ahead and install.

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