Windows 7 driver ati mobility radeon x1600 - Drivers - Windows 7

Hi There, can anybody help me with a driver that will get my Sony Vaio VGN-BX396XP to run its native 1280 x 800 res in Windows 7 - W7 is telling me that its got a 'Generic Non-PnP Monitor on Standard VGA Graphics Adaptor, which it hasn't - it has an ATI .

www.tomshardware.com