DDJ-RX UNKNOWN DEVICE STUCK IN A LOOP

WONDERING HAS ANYONE RAN ACROSS A DDJ-RX THAT NO MATTER WHAT COMPUTER, CABLE, DRIVERS INSTALLED, SETTING GONE THROUGH JUST SHOWS AS UNKNOWN DEVICE IN DEVICE MANAGER THEN DISCONNECTS AND OVER AGAIN.. ALMOST LIKE THE TUB3200 IS NOT PULLING THE EEPROM DATA?????