"David E. Ross" wrote:

David, please tell me what is supposed to happen when this setting
is NOT enabled:

- Notify me when this connection has limited or no connectivity

I unchecked it and disabled my connection.

What do you mean - "disabled my connection".

Note that I have not tried physically disconnecting my PC from the
router

(slaps forehead)

What exactly do you think is the more typical use-case?

Someone "disabling" their connection, or

Someone unplugging their connection?