If you are having difficulties accessing the Internet through your router, you may need to modify settings in the router itself. Luckily, accessing the router settings does not rely on Internet access ...
Guest networks are surprisingly useful.
To access your router configuration page or want to know the Login URL for your router to change settings, you will have first to find the IP address of your router, then open your router ...
If you never changed your router password, this is your wake-up call.