External display devices must explicitly state that they support WiDi.2nd generation Intel processors do not support WiDi in Windows 10.Legacy WiFi adapters that supported WiDi may not support it for Windows 10.

As result, the following limitations will prevent Intel WiDi (or Miracast) support for Windows 10: Many of the features in Windows 10 will not function correctly on older platforms due to driver limitations. This includes, but is not limited to, wireless and graphics drivers for specific platforms for each supported operating system. WiDi technology requires a set of compatible hardware, drivers, and software to work properly. WiDi supported Intel Graphics controller.On the client system, three Intel components are required to support WiDi functionality within Windows 10: Please refer to the following Dell Knowledge Base article for more information: Intel is no Longer Providing Updates to the Intel WiDi Adapter Software. The current version (6.0.66.0) will be the last release. NOTE: While compatibility with the Intel WiDi platform is needed for Miracast to mirror a display in Windows 10, please note that Intel will no longer provide support for their Intel WiDi Adapter Software.

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