A guy named Newfield posted this in another thread. This worked for me!!!
No worries, plug the cable into one of the lan ports, make sure you have connected your modem into the wan port.
open a browser on your pc and try accessing it with this info.
http://192.168.77.1 or simply add 192.168.77.1
Apparently the routers have incorrect network keys. I was able to access my router, change router name and password, and also see the default password.
Best of luck everyone 👍