Miracast requires a specific "handshake" between your hardware and software. If any link in this chain breaks, the feature fails:
. Find "802.11 Wireless Mode" and ensure the value is set to 4. Check Network Settings your device doesn t support miracast windows 11
If your hardware is compatible but still failing, consider these solutions: Fix connections to wireless displays or docks in Windows your device doesn t support miracast windows 11
: Press Win + R , type dxdiag , and hit Enter. Click Save All Information and open the resulting text file. Look for the Miracast line; it will state "Available" or "Not Supported". your device doesn t support miracast windows 11
Here is the anatomy of why your screen stays black.