The Miracast wireless display standard enables users to mirror one device’s display to another device. For example, users can mirror their laptops’ displays to a desktop VDUs or TVs with Miracast enabled. So, Miracast is a little like a wireless HDMI cable that users can connect devices with to project their displays.

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.

What to do if Miracast couldn’t connect on Windows 10?

  1. Check if your device supports Miracast
  2. Check if Wi-Fi is enabled on both devices
  3. Select auto for Wireless Mode Selection
  4. Reinstall the wireless adapter driver
  5. Update network drivers

1. Check if your device supports Miracast

First, double-check that your laptop or desktop really does support Miracast. Users can do that by pressing the Windows key + R, entering dxdiag in Run, and clicking OK.

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

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

However, 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. If so, check that Wi-Fi is enabled on both devices. Users can check Wi-Fi is enabled in Windows 10 as follows.

  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.Wifi settings your device doesn't support miracast
  3. Then toggle the Wi-Fi on if it’s off.
  4. Users will also need to check Wi-Fi is enabled on the other device. How exactly users do that varies from device to device, but users can usually adjust Wi-Fi settings on iOS and Android platforms from their Settings apps.

3. Select auto for Wireless Mode Selection

  1. Some users have fixed the Your PC or mobile device doesn’t support Miracast error by selecting the Auto option for Wireless Mode Selection. To do that, 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.

4. Reinstall the wireless adapter driver

  1. Reinstalling the wireless network adapter driver is another fix that has done the trick for some users. To do so, enter devmgmt.msc in Run and click OK.
  2. Expand the Network adapters category in Device Manager.
  3. Right-click the wireless network adapter to select the Uninstall device option.uninstall device your pc doesn't support miracast
  4. Click Uninstall on the Uninstall Device window that opens.
  5. Restart the desktop or laptop after uninstalling the driver. Then that driver will get reinstalled automatically.

5. Update network drivers

Some users might need to update their network drivers to the latest ones to fix the Your PC or mobile device doesn’t support Miracast error. To do so, click Free Download on the Driver Booster 6 page to install that software. Then open Driver Booster 6, which will scan when launched. Its scan results will list devices with antiquated or missing drivers. If the network adapter is listed there, click the Update All button.

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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