Hello James,
Thank you for posting your query on Microsoft Community.
I would suggest you to check out this article which provides detailed information on projecting your PC screen to a TV. It also explains how you can connect even devices that are not compatible with Miracast using the NetGearPush2TV (PTV3000) Wireless Display Adapter. If you face any issues, you can also try the troubleshooting steps suggested in the ‘Fixing problems’ section.
http://windows.microsoft.com/en-gb/windows-8/project-wireless-screen-miracast
Additional information:
You may refer to the article mentioned below for more information.
Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you.
Regards,