@RoderickG Resolution: This failed PING response was due to two factors; 1) the desktop was set for a fixed IP address (192.168.1.x) and 2) the default address for the AX6000 is 192.168.0.1....

With a cable to my desktop and the router powered on and the light on top steady: No response to ping 192.168.0.1 No response from the browser for that same address An Internet connection should not...