What is the most logical next event?

How to change a router password 
Check the router or user manual. 
If you have never changed your log-in information, that information is probably still set to the default. You can usually find the default ip address, username, and password on either the side of the router or somewhere in the user manual.

Options are:
[a]. Make sure your device is connected to the same wi-fi network as the router you just reset. That is, if it is connected to your primary wi-fi router, then login using the password you previously set to the router..
[b]. Different devices, such as apple computers, may have different settings-some may be set to the default default. Some may specify services or connections rather than the current settings..
[c]. Note that the manual may only have the default ip address. It does not always have the default password..
[d]. On mac computers, you'll find it on the right-hand side. If you don't see this information, you'll see " keep your password " on the navigation pane on the left-hand side..
[c].