If updating fails, reinstalling a clean copy of the network driver often resolves deeper configuration bugs. Open and expand Network adapters . Right-click your Wi-Fi adapter and select Uninstall device .
Unlike Chromecast (which relies on an internet connection and cloud servers), Miracast works entirely locally. This means:
: 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".
Miracast may be blocked if your network is set to "Public" for security. Microsoft Learn Settings > Network & internet > Wi-Fi Select your network and change the Network profile type Microsoft Support 4. Reset Wireless Adapters Miracast not supported - Microsoft Q&A
The error "Your device doesn't support Miracast" is often a lie. Your software supports it just fine. The problem is the radio in your computer. your device doesn t support miracast windows 11
Type the following command and press Enter : netsh wlan show drivers
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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
Before troubleshooting, confirm if your hardware actually supports Miracast: If updating fails, reinstalling a clean copy of
When Windows 11 gives you that error, it is essentially saying: "I am trying to call the TV, but I can’t find the walkie-talkie that speaks Miracast."
Before troubleshooting, confirm whether your hardware actually supports Miracast. Method A: Use the DirectX Diagnostic Tool Press Windows Key + R to open the Run dialog box. Type dxdiag and press Enter . Click at the bottom of the window. Save the text file ( DxDiag.txt ) to your Desktop.
Alternative: If you recently updated your driver and it broke Miracast, click . Update the Wireless Network Adapter In Device Manager , expand Network adapters .
Windows 11 requires an optional feature package to receive incoming Miracast projections. Open ( Windows Key + I ). Go to System > Optional features . Click View features next to Add an optional feature . Type Wireless Display in the search bar. Check the box next to it, click Next , and then Install . Alternative Workarounds Unlike Chromecast (which relies on an internet connection
If you're on a company laptop, IT may have disabled Miracast via Group Policy. You can check the registry.
Don’t assume your PC is incapable. Run the netsh command first. If Miracast is unsupported at hardware level, consider alternative wireless display methods or a direct cable.
Repeat this exact process under the section for your Wireless/Wi-Fi card. 3. Reinstall the Wireless Adapter
Remove old pairing profiles that might be causing a conflict.
Outdated drivers are the most common cause of Miracast failures. Right-click the and choose Device Manager . Expand the Display adapters section.