Click "View features" at the top, search for "Wireless Display" again, and install a fresh copy. Disable Your VPN

Expand , right-click your graphics card (Intel, NVIDIA, or AMD), and select Update driver .

Miracast is a wireless technology that allows your PC to project its screen to a TV, projector, or monitor without using cables. For this to work, both your hardware and your software must be on the same page. Check if Your PC Actually Supports Miracast