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

by Matthew Adams

Windows & Software Expert

Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it. He is passionate about the...

Posted at: January 5 2021

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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 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. 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

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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.
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.”
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.
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.
3. Then right-click the wireless network adapter listed there and select the Properties option to open the window shown directly below.
4. Click the Advanced tab shown below.
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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