Multiple screen not working

[Piyush1231]

After updation, I cannot use multiple screen in galaxy m20. How can i enable this.

[cs_member8]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. Please perform the below mentioned steps to resolve the issue:

* Check after rebooting your device. 

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support