This is usually a sign of a broken cable or a loose USB port. Try a different USB port (preferably USB 2.0 rather than USB 3.0) or a different cable.
Hardware identifiers like "DNUBAT1236B" are typically printed directly on the device's logic board or on a white barcode sticker. Turn off your equipment. Locate the physical unit.
This is usually a sign of a broken cable or a loose USB port. Try a different USB port (preferably USB 2.0 rather than USB 3.0) or a different cable.
Hardware identifiers like "DNUBAT1236B" are typically printed directly on the device's logic board or on a white barcode sticker. Turn off your equipment. Locate the physical unit.