Sorry to hear there are still issues with the TP… Very unfortunate… There is a free windows utility called USBDeview. It presents a comprehensive list of USB device properties and may reveal some clues. I would suggest connecting a few of the working CMC devices plus the TP and see if the driver versions/instance ids/serials etc. appear consistent and whether the TP appears at all and, if so, it indicates it is active and drawing 500mA.
USBDeview is available all over the place but here is one link… View any installed/connected USB device on your system
Good luck!!