PCIe resource conflict or legacy LPT port disabled in BIOS (yes, even though you're using an add-on card, some BIOS settings affect LPT enumeration).

If you encounter issues during driver installation or experience problems with your parallel port device, try the following:

Whether you need to connect an old printer, an EPROM programmer, a CNC controller, or industrial equipment, the correct driver is essential for the CH382L to function properly under Windows, Linux, or macOS.