I am having lots of problems. Have not been able to use WiDi with Netgear Push2TV PTV3000 (two of them in different locations, both with updated firmware) since updating to Windows 8.1 a few months ago on Asus Taichi 21. The Intel Graphics driver is modified by Asus and is the most up to date from Asus. I have installed the latest Intel Wireless ProSet drivers. Cannot find any option to "add wireless display" in the Charms menu. I have installed and reinstalled drivers. Pulling my hair out.
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