Sometimes, simply uninstalling the Microsoft Wireless Display Adapter driver and allowing Windows 10 to reinstall it automatically will fix the issue for you. Have a look: FIX 1: Uninstall MWDA driver: However, the issue is quite common and can be solved within no time using the fixes mentioned in the guide below. As per users, after upgrading to Windows 10, they were not able to connect their Surface Pro 3 to a smart TV using the Microsoft Wireless Display Adapter.
Recently, some users have been reported that the “Microsoft Wireless Display Adapter Won’t Connect” on Windows 10. How to Fix If Microsoft Wireless Display Adapter Won’t Connect?