Crazy Question

We have a unit driving a large display. When a Mac Book is looped through all is good, when we look a Windows laptop running Win 10 we get nothing on the large display running as either a cloned desktop or extended desktop. Any Suggestions? Thanks!

Hi! What is the video card on a laptop with windows? Maybe it's in the driver. Perhaps you need to edit the registry editor HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Video