How to Change to a Shared Screen When Using a Projector. When you first turn on your projector, you may be surprised to find there's no picture from your computer.

This post discusses wirelessly projecting and screen mirroring your Windows computer or laptop to an external display like a TV or a Projector using Miracast technology.

To duplicate a screen on multiple monitors on Windows 11, you need to open Display settings in the Settings app. In the Display settings, you scroll down to the Multiple displays tab and click on it.