Gigabyte Nvidia Geforce GTS 250 card won't work with nvidia drivers

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http://askubuntu.com – When I install the recommended drivers, even the latest from their ppa, on reboot, xwindows won't start, it just boots to a console login. If I purge nvidia and reboot, it works with the builtin ubuntu drivers, even 3D, but system reports the experience as 'standard' using driver Gallium 0.4 on NV92 . I would like to get nvidia drivers working to see if it performs better. (HowTos)