Open HomeGroup by swiping in from the right edge of the screen, tapping Settings (or if you're using a mouse, pointing to the lower-right corner of the screen, moving the mouse pointer up, and then clicking Settings), tapping or clickingChange PC settings, tapping or click Network, and then tapping or clicking HomeGroup.
Tap or click Create.
Select the libraries and devices you want to share with the homegroup.
To join a homegroup, follow these steps on the PC that you want to add to the homegroup:
Enter the homegroup password, and then tap or click Join.
If you don't see a space to enter a password, there might not be a homegroup available. Make sure that someone has created a homegroup, or you can create a homegroup yourself.
Tap or click the control under Media devices if you want to allow devices on the network, such as TVs and game consoles, to play your shared content.
try this please, go to Network on each of the computers, then click on connections, then click on the network, then make sure the discovery is on.
Did the other computers have the discovery turned on?
okay, let me do a little more research on this issue and see if I can find a solution. I will get back to you soon. Thank you for your patience.
okay, did you try to create a homegroup on each of the computers and see if the others wold join.