(from nVidia's website
Due to architectural changes in the new Windows Vista Window Display Driver Model (WDDM), span mode cannot be supported in NVIDIA graphics drivers. NVIDIA recommends using the built-in Windows Vista multi-display modes.
This does not answer the question "Why?" Why did MS do half the dumb things they did with Vista? Because they can!
"audacioustrash" <audacioustrash@discussions.microsoft.com> wrote in message news:E7F85C60-ADDF-46E4-A0D8-7E0F993DFC77@microsoft.com...
Why did Microsoft remove the Horizontal Span feature?