Open the Action Center on your laptop by tapping or clicking the icon in the bottom right corner of the screen (it looks like a speech bubble).Choose the Microsoft Wireless Display Adapter from the input or source menu for the room display.Directions for connecting may vary depending on the device but here is the basic outline of how to do so. It is compatible with some Windows and Android devices.
Miracast provides a way to display your screen wirelessly to the in-room display.