Quite possibly this happened when I removed power to check a noise issue. When I put the power back in, it started up again but never appeared in the PC connected to the same broadband modem. Scan didn't help. I have reset/restarted just about everything but no cigar.
Kiwi visible status is fixed blue led on the standard-size USB side of the ethernet connector, flashing blue led (double-blink) on the left (power) side