My computer name was listed under Network of File Explorer, but it disappeared.

Question

My computer is running Windows 10. Its name was listed under Network of File Explorer. The names of two other computers are displayed and their shared directories and printers are shown. However, my computer name is not shown,

The following  services are running on my computer:

Function Discovery Provider Host (FDPHost) 

Function Discovery Resource Publication (FDResPub) 

Network Connections (NetMan) 

Peer Name Resolution Protocol (PNRPSvc) 

Peer Networking Grouping (P2PSvc) 

Peer Networking Identity Manager (P2PIMSvc)

UPnP Device Host (UPnPHost) 

Also, in Control Panel \ Network and Internet \ Network and Sharing Center \ Advanced sharing settings, the following items are enabled:

 Private (current profile)

   Network discovery

      Turn on network discovery

          Turn on automatic setup of network connected devices.

         Turn on file and printer sharing

Next page

   Turn on sharing so anyone with network access can read and write files in the Public folders

   Enable file sharing for devices that use 40- or 56-bit encryption

   Turn off password protected sharing
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My computer can access a printer connected to another computer by a USB cable.
My computer is connected to the Gateway by Wi-Fi, and another computer is connected to the Gateway by a USB cable.
******

What is incorrect or missing?

Thank you.