Are you unable to project to the PC because the Projecting to this PC option is greyed out or disabled in Windows? Then follow this post to fix the issue.

When you try to project a screen to your computer, it asks for a PIN for security purposes. However, you can allow or block Windows from asking for PIN when pairing for projection.

In this guide, we'll show you the steps to turn a computer into a wireless display using the screen mirroring feature available on Windows 10.

No longer installed by default, you must first install the Windows 10 Projecting to this PC software before you can use it to create a second display using a wireless connection.

Using a laptop as a monitor for another computer allows you to not only mirror your computer's screen on the laptop but also extend it, meaning you can show different content on both screens.

Projecting your PC or mobile device with Miracast: How well does it work? Miracast is a signature feature of Windows 8.1 and newer Android versions.