Consistent with many Linux commands and drivers, there is a manual page with detailed information available for this driver. This is a good place to start to manually set up and trouble shoot the driver - the Option "MonitorLayout" is a good candidate to
THIS IS THE ULTIMATE SOURCE! (KG) "Now that Etch has come to a rest and has frozen, and nVIDIA has been updating its own binary Linux driver, installing nVIDIA on Etch is now just as cake as it was in Sarge. This brief tutorial will include 2 common methods for installing nVIDIA's Linux driver. They are both very simple and each will have its pro's and con's. You could try each way and decide later which suits your computing style, your kung-fu, best. Me, I always do things the hard way 'cos that's the way I dig it."