Resolving the "COM & LPT 17-11" Driver Issue (Legacy & USB-to-Serial Adapters)
| If Hardware ID Contains | Chipset | Recommended Driver Source | | :--- | :--- | :--- | | VID_067B (Prolific) | | Prolific official driver (v1.14.0 or later, but check Windows version) | | VID_10C4 (Silicon Labs) | CP210x | Silicon Labs official VCP driver | | VID_0403 (FTDI) | FT232 | FTDI official VCP driver | | VID_1A86 (Qinheng) | CH340/CH341 | WCH official CH341SER driver | com lpt 17-11 driver download