Note: If Windows claims you have the best driver, visit the official website of your computer manufacturer (Dell, HP, Lenovo, ASUS) or chipmaker (Intel, AMD, NVIDIA) to download the absolute latest OEM driver package directly. Step 4: Reinstall Your Wireless Network Adapter
Right-click on an empty space in the right pane, select > DWORD (32-bit) Value . Name the new value MiracastSupport . Double-click it and change the Value data to 1 . Restart your computer. Check Third-Party VPN and Antivirus Interferences your device doesn t support miracast windows 11
Both devices must be on the same Wi-Fi network . Miracast will not work over a purely wired (Ethernet) connection unless using "Miracast over Infrastructure". 3. Diagnostic Steps Note: If Windows claims you have the best
Because Miracast works via Wi-Fi, your wireless network adapter driver is just as important as your graphics driver. Double-click it and change the Value data to 1
You have tried everything, but the error persists. Run this final sanity check:
If your hardware supports Miracast but you still receive the error, follow these troubleshooting steps in order. 1. Enable Wi-Fi and Connect to the Same Network
If you see the error message immediately, move to the DirectX Diagnostic tool for absolute confirmation. Method 2: Check via DirectX Diagnostic Tool (DxDiag) Press Windows Key + R to open the Run dialog box. Type dxdiag and press . Click the Save All Information button at the bottom. Save the DxDiag.txt file to your Desktop.