How To Fix “This Device Doesn’t Support Miracast” On Windows 10

Mirrorcast is a wireless technology that connects screens differently from Chromecast and Airplay. It is often termed as “HDMI over Wi-Fi” because it functions similarly to the HDMI, which projects a second screen but is wireless. It may extend the screen to a TV approaching a dual-screen display. This device doesn’t support Miracast error needs to be fixed under two conditions:

  1. Both the devices should be Miracast compatible.
  2. It would help if you connected the devices to the same Wi-Fi networkfix this device doesn't support miracast

See Also: How to solve Xbox Wireless Adapter Not Working

Often, while connecting screens to the device, users might receive an error message. In Windows 10, the error message comes in the form of “Your PC doesn’t support Miracast.” This can happen due to:

  1. The devices are not compatible with Miracast
  2. The devices, not with a connection to the same Wi-Fi connection
  3. The non-updating of the network drivers
  4. The installation of a third-party program like a VPN or a firewall can cause a change in the system’s connection.

Methods To Fix “This Device Doesn’t Support Miracast.”

Here are some methods by which you can fix “This Device Doesn’t Support Miracast” on Windows 10.

Method 1: Check Miracast Compatibility

The first and foremost step while facing a problem like this would be to check whether the device from which screen sharing takes place supports Miracast or not. 

Procedure 1:

  1. Press Windows + P or F8.windows + p (fix this device doesn't support miracast)
  2. Scroll to the bottom when the screen sharing window opens. If one can see an option called “Connect to a wireless display,” it denotes that the device supports Miracast. If that option is non-existent, it is evident that the device does not support Miracast.

Procedure 2:

This is the lengthy and little complicated version of the Procedure.

  1. Press Windows button + R, and once the Run dialog box opens, type in “dxdiag” and press ok.dxdiag (fix this device doesn't support miracast)
  2. Once the DirectX diagnostic tool window opens, click on “Save all information.”
  3. Select a folder and save Ok. Selecting a Desktop is advisable as it reduces the chance of misunderstanding among the files.
  4. This will save files in a .txt or a Notepad file. To access it, one can double-click on the file titled “Dxdiag.txt” to access it, or one can first open Notepad, then venture to FileàOpenàDxdiag.txt.
  5. The Dxdiag.txt file contains the system information of the device. At the bottom, if the device were Miracast compatible, then it would have been written “Miracast: Available with HDCP.” If it doesn’t exist, then the device does not support Miracast.

Sometimes the full phrasing “Miracast: Available with HDCP might not be displayed.” In those situations, there will be an option of WDDM, which is the Display Driver Model of Windows. If the version is not 1.3, then Miracast is not supported in the device.

Method 2: Updating the Wireless Network Adapter

  1. After finding out the status of compatibility of Miracast in the device, go to Start Command Prompt (Admin).
  2. Type PowerShell as a commandàonce the PowerShell window opens, type the command Start-process PowerShell –verb run as. This will make the Powershell window run as administrator.
  3. Type the command written below and press Enter Get-netadapter|select Name, diversion
  4. If the is version is below 6.30, the device does not support Miracast. In this situation, one can press the Windows button + R and type devmgmt.msc.devmgmt
  5. Once the Run dialog box opens, select the network adapter, right-click, and click on “Update Driver.”update device drivers
  6. One can also try uninstalling the Wireless Network Adapter Driver and re-installing it.
  7. Right-click on the Wireless Network Adapter in the Run dialog box and click on” Uninstall.

Wait for the process to happen. Restart the computer, and the device will have re-installed the updated driver automatically.

Method 3: Check Wi-Fi Connectivity

As we have discussed, Wi-Fi is essential for the existence of Miracast. So checking connection with the devices, the source device, and the device where the second screen projection occurs. Note that the two devices should connect to the same Wi-Fi network and not the LAN.

To ensure Wi-Fi connectivity on the source device:

  1. To open Settings, Press the Windows button + I or press Windows button + S and type Settings in the Search box.windows + i
  2. Secondly, click on Network and Internet Wi-Fi and make sure it is turned on and connected to the same network as the screened device.network and internet
  3. This also to not, while checking this, one should also check the basic availability of wireless display feature of their device. To check this:
  4. Press Windows button + S and type manage optional features in the Search box.
  5. Then search for a Wireless display, and if it is invisible from the list, press on Add a feature and add the wireless display feature.
  6. Finally, after completing this, navigate to Systemà Projecting to this PC and confirm whether Available Everywhere is selected, and PC Discovery is turned on.

Method 4: Disable Third-Party Software

Third-party software like VPN, various apps like OBS, Adobe Photoshop, any sourced firewall licensed by a third- party should be disabled in the process of Miracast mirroring because, according to Auslogics, a Microsoft certified Silver Applications Developer, third party software will enable Split Tunnel Security Vulnerability that will disturb the Wi-Fi connection and compromise the functioning of the Miracast feature in the system.

disable third party services (fix this device doesn't support miracast)

These are some procedures and methods one might find helpful while coming across a problem. Miracast is unique as it uses wireless technology to its fullest potential and tries to mirror the screen from the source device pretty precisely and accurately.

Conclusion

In this article, you got to know the methods of How To Fix “This Device Doesn’t Support Miracast” On Windows 10. Follow the steps correctly. Hope everything worked out for you.

See Also: How To Solve Problem With Wireless Adapter Or Access Point? [Guide]

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