: Always ignore the brand name “PC Adapter USB A2” — look up the VID/PID instead.
If you need the driver without installing the full software suite, you can sometimes find standalone driver packages (like pc_adapter_usb_a2_driverdisk_V1_0 ) on the Siemens Industry Online Support (SiePortal) . 2. Troubleshooting "Unknown Device" on Windows 10 pc adapter usb a2 driver windows 10