Windows 10: "connect" app keeps disconncting Miracast

I'm currently using windows 10 21H1, I can cast my win11 laptop to my win10 computer normally but when I switch to another app on win10, the connection from win11 would be down in few seconds, it is quite annoying, I have to manually connect back when disconnected, I'm wondering is this auto disconnect on puropse or their are some problem on my win10 laptop, this is my first time to use this function, so I have no idea why it would auto disconnect whenever I switch another app on win10 laptop

:)

 

Miracast Windows 10 dxDiag "not Available"

Let me suggest you to contact the manufacturer of Miracast. To contact the manufacturer, please follow the steps below:

• The name of the OEM + “contact information”
• The name of the OEM + “PC support”

Regards.

 

Does Miracast support 4K?

Hello,

We suggest that you check with the manufacturer of the 4k display device that you are using if it is certified to work with Miracast. If your display device is certified to work with Miracast, then check if your PC device supports Miracast. You may do so
by following the steps below:

• Click Start, then go to Settings >
  Projecting to this PC.
• Check if your device supports Miracast.

Regards.

 

miracast

Hi there Alainpraet!

Step 1: If your TV comes with built-in Miracast support, then turn it On. ...

Step 2: Now on your Windows PC, navigate to Start -> Settings -> Devices -> Connected Devices.

Step 3: Click on 'Add a Device' and wait for the adapter to appear in the list.

Now try to connect.