I understand that you have some questions in regards of the Intel® Wireless Display Technology.
On this case what I can suggest you are updating the drivers of your system using the recommended drivers from the system manufacturer and try again, you can also use this link and update the first three drivers for your system:
Software and drivers for Intel® Wireless Display
Make sure that you select the correct version type for your operating system 32 or 64 bit version, also please install the drivers in the following order: 1 - Wireless (WiFi) Driver, 2 - Graphics Driver, 3 - Wireless Display Software, 4 - WiDi Widget (optional). It is also recommended to restart the PC after each driver or software installation.
Once you complete the process please try again and see if this procedure solves the problem.