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Your PC or mobile device doesn’t support Miracast [Fix]

However, a Your PC or mobile device doesn’t support Miracast error message pops up for some users. Consequently, Miracast mirroring doesn’t work.

Here are a few potential resolutions for fixing the Your PC or mobile device doesn’t support Miracast error. As a first step, you should double-check that your laptop or desktop really does support Miracast. 

How do I solve Miracast connections issues on Windows 10?

1. Update network drivers

You might need to update your network drivers to the latest ones to fix the Your PC or mobile device doesn’t support Miracast error. To keep your drivers up to date, we recommend you Driverfix

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2. Check if your device supports Miracast

  1. Press the Windows key + R, entering dxdiag in Run, and clicking OK.
  2. Then click the Save All Information button on the DirectX window.directX diagnostic tool your pc doesn't support miracast
  3. Select a folder to save the text file to, and click the OK button.
  4. After that, press the Windows key + Q hotkey.
  5. Enter Notepad in the Cortana search box, and select to open Notepad.
  6. Then click File > Open and select to open DxDiag.txt.
  7. Then scroll down to the Miracast detail listed under System Information in the DxDiag document, which should say “Available, with HDCP.”notepad
  8. In addition, you will need to check network adapter compatibility. To do that, enter PowerShell in Cortana.
  9. Right-click PowerShell and select Run as administrator.
  10. Then enter Get-netadapter|select Name, ndisversion in PowerShell.powershell mobile device doesn't support miracast
  11. PowerShell will then display NdisVersion numbers, which need to be above 6.30.

Note: If you discover that the PCs don’t support Miracast, you will need a wireless display adapter. Microsoft’s Wireless Display Adapter is probably among the best ones for Windows devices.

3. Check if Wi-Fi is enabled on both devices

  1. Enter Run in Cortana, and click Run to open that accessory.
  2. Then input ms-settings:network-wifi in Run’s Open box, and press the OK button.
  3. Then toggle the Wi-Fi on if it’s off.
  4. You will also need to check if Wi-Fi is enabled on the other device. The exact steps to check depends on your device.

Note: Some users have stated that the Your PC or mobile device doesn’t support Miracast error arises even though they’re sure their devices meet the requirements for Miracast mirroring. Another requirement is to have Wi-Fi enabled on both devices. 

4. Select auto for Wireless Mode Selection

  1.  Right-click Windows 10’s Start button and select Device Manager.
  2. Double-click the Network adapters category.device manager miracast not working
  3. Then right-click the wireless network adapter listed there and select the Properties option to open the window shown directly below.wireless adapter properties miracast not supported
  4. Click the Advanced tab shown below.wireless settings advanced your pc or mobile device doesn't support miracast
  5. Select the Wireless Mode Selection property.
  6. Then select Auto on the Value drop-down menu.
  7. Press the OK button.

Note: Some users have fixed the Your PC or mobile device doesn’t support Miracast error by selecting the Auto option for Wireless Mode Selection.

5. Reinstall the wireless adapter driver

  1. Right-click on the Start button and select Run.
  2. Enter devmgmt.msc in Run and click OK.
  3. Expand the Network adapters category in Device Manager.
  4. Right-click the wireless network adapter to select the Uninstall device option.
  5. Click Uninstall on the Uninstall Device window that opens.
  6. Restart the desktop or laptop after uninstalling the driver. Then that driver will get re-installed automatically.

The fixes above might resolve the Your PC or mobile device doesn’t support Miracast for some users. Also note the issue can be due to some third-party VPN software, such as Cisco AnyConnect. So, disable third-party VPNs installed before utilizing Miracast mirroring.

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Editor’s Note: This article was originally published in April 2019 and was revamped and updated in January 2021 for freshness, accuracy, and comprehensiveness.

This post was written by Matthew Adams and was first posted to WindowsReport

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