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Solutions to “Miracast is Not Supported on Your PC”


LetsView requires the Miracast feature to be enabled when Android users connect to computers using the built-in wireless display function. Here are the solutions to “Miracast is not supported on your PC”.

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How to Fix “Miracast is Not Supported on Your PC” Issue

Prerequisites for Miracast on PC

The Miracast feature requires the following specifications:

  1. Your PC is running Windows 8.1 and later.
  2. There is wireless network card on your PC and supports the Miracast function. You can also intall a Wireless network card that supports this feature.
  3. Your graphics card supports the Miracast function.
  4. Connect your phone and PC to the same WiFi network.

Check if your graphics card supports Miracast

  1. Press “Win” and “R” simultaneously. Enter dxdiag from the popup.


  2. Click on “Save All Information” on DirectX Diagnostic Tool.


  3. Then a new txt file will appear. Open the file and check if Available is displayed under Miracast. If both show Available and Supported, it means the Miracast function is supported.

    check miracast

Update graphics card driver

If it doesn’t display as “Available”, you need to update your PC’s graphics card. Here is a detailed guide.

  1. Right click on “This PC” and choose “Properties”. Click on “Device Manager”.

    device manager

  2. Click on “Display adapters”.

    display adapter

  3. Right click on the graphics card driver and choose “Update driver”.


Check if it is supported by Wireless network card

  1. Right click on the Start menu button, choose “Windows PowerShell”.


  2. Input Get-NetAdapter | Select Name, NdisVersion and press “Enter”.


  3. Check the number on WLAN. It means the Miracast function is supported when the number is greater than or equal to 6.40.

    getnet adapter

Update wireless network card driver

If the number is less than 6.40, you need to update the wireless network card drivers.

  1. Right click on “This PC” and choose “Propeties”. Click on “Device Manager”.


  2. Click on “Network adapters”.network adapters path

  3. It is the wireless network card with Wireless LAN. Right click and choose Update Drivers.update adapters
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Posted by: Amanda Smith on to FAQ. Last updated on April 2, 2021

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