If the necessary ports are blocked, Miracast cannot establish a handshake with the TV.
Need more help? Share your PC model and Wi-Fi adapter name (check in Device Manager > Network adapters ), and I can provide specific steps. windows 11 your device doesn't support miracast
The message "Your device doesn't support Miracast" is often misleading. In most cases, updating drivers or enabling the Wireless Display optional feature solves it. If not, hardware limitations are likely—but you still have wireless display options via Chromecast or software. If the necessary ports are blocked, Miracast cannot
Miracast requires a Wi-Fi adapter that supports Wi-Fi Direct . It will not work over Ethernet-only connections. If the necessary ports are blocked