Download the Nuvoton Communications Port (COM2) driver for Windows 7, 8, 8.1, and 10 (64-bit) for MEDIONPC - MS-7048 - DriverIdentifier Nuvoton Communications Port port (COM/LPT/Serial) drivers
Find your Nuvoton device (it may be listed as an Unknown Device if the driver is missing completely).
Windows 10 strictly requires digitally signed drivers. If you are trying to install an older legacy Nuvoton driver, Windows might block it.
: The most recent stable release widely cited for Windows 10 is Version 1.2.2020.1225 , dated December 25, 2020. Where to Get the "Best" Version
The "Nuvoton Communications Port" in Device Manager typically refers to the connected to the Super I/O chip (e.g., Nuvoton NCT6106D, NCT6791D, or NCT6779D). This port is often used by motherboard utilities (like Fan Control, Overclocking tools, or Hardware Monitor) to communicate directly with the hardware sensors.
For Windows 10, the "best" driver is typically the one provided by your motherboard manufacturer or the official Nuvoton Technology Corporation .
Without the correct driver:
: Windows 10 typically provides a generic Microsoft driver (dated 2006) for standard COM ports that works for most basic tasks. If you are using specific Nuvoton development hardware, the manufacturer's dedicated driver is required for features like Virtual COM Port support.
This is the classic Device Manager error. It means Windows 10 knows the Nuvoton chip is there, but doesn't have the software to talk to it.