With Windows 10 Update, Microsoft removed theHomeGroupfeature and introduced a new feature calledNearby Sharing.
see to it the value is listed as True.
that cause Move the devices closer together and try sharing again.
because If the devices are too far apart, nearby sharing wont work.
So we recommend Connect both Devices on the same WiFi web connection while using nearby sharing feature.
As some cases, notifications appear in the action center, but not on your screen.
For example, this can happen if focus assist is turned on.
Did these solutions help to sort out the Nearby Sharing feature Not Working In Windows 10 version 1903?