Pro Tip: Even if you are connected via Ethernet, your Wi-Fi card must be active and have current drivers to act as a receiver for the Miracast signal in some configurations.

Here is a step-by-step guide to troubleshooting Miracast issues on Windows.

Apps like AirServer , Reflector , or LonelyScreen let you turn your computer into a receiver (but won’t help if your PC can’t send Miracast).

Look for the line . If it says "No," your network card or driver is likely the culprit. Check via DirectX Diagnostic Tool: Press Win + R , type dxdiag , and hit Enter.

If you are still seeing the error, run through this mental checklist: