@ArcherC8 I have solved this, finally! Posting here to hopefully help someone in the future that might find this thread. When i setup my old Airport Extreme my iMac (OS Catalina) and MacBook Air (OS...

@ArcherC8 yes ethernet is green - mac that is wired has no internet

@ArcherC8 I can see my wireless network and I can connect to it - the problem now is the Mac that is wired to the router is not connecting to the Internet.

@ArcherC8 I wil try these suggestions thank you. Could you tell me what you mean by "Check to see if you have an IP address for the WAN in your settings"?

hello, i just tried to set up a brand new Archer C4000 and it was one of the most frustrating experiences i've ever had with a router. I was able to connect to the web admin panel and get the...