Full Screen Video Mirror option is not present in the NVIDIA Forceware display properties

Full Screen Video Mirroring is available for Geforce 7 series GPUs and older series when using the NVIDIA Forceware display drivers 174.xx and below under Microsoft's Windows XP operating system. Full Screen Video Mirroring is not supported for any NVIDIA based GPU under Microsoft's Windows Vista operating system. Future Release 177 drivers and above will no longer provide support for Full Screen Video Mirroring for Geforce 7 GPUs and older GPUs. Full Screen Video Mirroring will be directly accessably through certain applications which will require this option.