Re: Oh goody
Well he could be using his fixed IP address directly on his PC. I do one some of mine.
The issue isn't to do with the router except is as much that most people use their router as their DHCP server. But regardless of what you are using as a DHCP server W10 was knaggered it. The DHCP server is happily responding to requests and offering configs and it looks like W10 is just ignoring these responses.