Before diving into complex fixes, you should check if your PC is actually capable of using Miracast. Press , type dxdiag , and hit Enter.
Here is the anatomy of why your screen stays black.
Did the say your system was "Supported" or "Not Supported"?
By methodically working through this guide—starting with the Wi-Fi driver update, moving to the Wireless Display optional feature, and ending with the registry tweak—you have an excellent chance of getting wireless projection working.
. Open the resulting text file and search for "Miracast." It should say PowerShell Check Get-netadapter | select Name, ndisversion in PowerShell. Miracast requires NDIS version 6.30 or higher. 2. Essential Prerequisites Enable Wi-Fi your device doesn t support miracast windows 11
Wait for the progress bar in the bottom-left corner to finish loading. Click the button at the bottom. Save the text file ( DxDiag.txt ) to your Desktop.
Windows 11 requires a specific "Wireless Display" app to receive projections. Settings > System > Optional features View features , search for Wireless Display , and click Once installed, you can configure projection settings under Settings > System > Projecting to this PC Microsoft Support 3. Change Network Profile to Private
You’re trying to cast your Windows 11 laptop to a big TV or wireless projector. You click the button (or press Win + K ). And then you see the dreaded message:
Miracast is an incredibly useful wireless technology that lets you cast your Windows 11 screen to a smart TV, projector, or external monitor without messy cables. However, encountering the "Your device doesn't support Miracast, so you can't project to it wirelessly" error is a common frustration. Before diving into complex fixes, you should check
It sounds cliché, but updating graphics drivers is the primary solution. However, don’t rely on Windows Update. Go directly to NVIDIA, AMD, or Intel’s website. Windows Update often installs a "Microsoft Basic Display Adapter" or a generic driver that lacks the Miracast extensions required for wireless projection.
Click on the button at the bottom of the window and save the text file to your Desktop. Open the saved text file and look for the Miracast line.
If it says , your hardware is good to go, and your issue is strictly a software or driver conflict.
Right-click your Wi-Fi adapter and select -> Search automatically for drivers . Did the say your system was "Supported" or "Not Supported"
If you're on a company laptop, IT may have disabled Miracast via Group Policy. You can check the registry.
Several factors can trigger the Miracast error on Windows 11:
This explains why a brand-new, powerful PC can display this error. It might have a powerful NVIDIA or AMD graphics card alongside a budget Wi-Fi chip whose drivers do not support Miracast, causing the entire system to block wireless projection.
Expand , right-click your wireless card, and update it using the same process.