So I bought a new newpac (GSH 10031154) on amazon from "BitMinerJoe".  Literally received it today a few hours ago.

Plugged in, zadig'd, test script set to stock speed of 100.
doesnt work - 0 chips found.

unpluged many times - no luck.
tired on linux, same issue.
also tried tightening the heatsink screws.

checked vcore - 0.0V?  Yeah... that might explain it!
At least I assume I am checking vcore correctly - from the GND pin on the USB to the orange component next to asic #2 shown here:  (Its how I checked on the 2pacs...)
https://postimg.cc/wyhHqSBh

tried adjusting vcore from stock position to 6 'o-clock - still getting 0V.  

Should I return it, or does someone have any other ideas?
EDIT: nevermind, i'm just returning it...