The laptop screen should then display on the projector, and you'll be ready to go! How to connect a laptop to a projector using Bluetooth on Windows 10?

StarTech.com's $210 IPUSB2HD2 HDMI-over-IP extender device connects to HDTVs and projectors so they can stream audio and video from nearby computers.

Check Connections Check the connection between the projector and the computer. This connection will typically be via a VGA, DVI or HDMI cable.