Miracast is a wireless display standard that allows users to mirror their device's screen to a compatible display or projector. However, some users may encounter the error message "This device doesn't support Miracast" when trying to connect to a wireless display on their Windows 11 device. In this paper, we will explore the possible causes of this error and provide troubleshooting steps to resolve the issue.
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In the same dxdiag report you ran earlier, look for "Driver Model." If the version is lower than WDDM 1.3, Windows 11 will struggle to project wirelessly. Reset the Wireless Display Feature this device doesn't support miracast windows 11