Better Download Miracast For Windows 10
On your Windows 10 PC, press Windows Key + K to open the pane.
Shows the exact same content on both your PC and the external screen.
Stream videos, photos, or presentations without needing HDMI cables.
If you cannot find or use the feature, you likely need to install the Wireless Display optional feature or update your drivers. Pureinfotech How to "Install" Miracast Features If you are trying to project
Turn off your TV or projector, wait ten seconds, and turn it back on. Restart your Windows 10 computer to reset the network stack.
Both devices must be on the same network or have Wi-Fi turned on for direct connection (Wi-Fi Direct). Benefits of Using Miracast on Windows 10