Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers also you might uninstall the display adapter restart your computer then reinstall the display adapter and its drivers this would apply to the sound video and game controllers to
http://download.cnet.com/msi-nvidia-based-graphics/3000-2108_4-10162298.html

You can find the drivers for the Vanta series of nVidia products here: http://www.nvidia.com/object/winxp_2k_71.89.html