I got 5 windows 10 Computers under one wireless network, and connect nicely under Homegroup.
Then, the computer are getting slower and I decided to format each of them using windows 10s bootable usb stick, fresh from microsoft.
The problem is, when I formatted the PC, the PC can still see the other 4 in network, but all the other 4 PC cannot see it.
And the homegroup option also not available in the freshly formatted PC.
The PC is activated using the key that come with the PC, in BIOS.
