What is the of the device showing an error in Device Manager?
Before downloading anything, verify that you actually need the Nuvoton driver. Right-click the and select Device Manager .
If you're working with Nuvoton microcontrollers, Nu-Link debuggers, or NuMaker development boards, you've likely encountered the driver in Windows. This essential driver bridges your PC's USB ports and Nuvoton's embedded hardware, enabling critical tasks such as firmware uploads and serial debugging. nuvoton communications port driver windows 10 best
Before downloading anything, verify that you are targeting the correct Nuvoton hardware. Right-click the and select Device Manager .
The Nuvoton Communications Port is typically a virtual COM port (Serial Port) used by the Super I/O chip to communicate with Windows. It enables: What is the of the device showing an error in Device Manager
A: Generally, no. Tools like Driver Booster or Driver Easy can sometimes install incorrect Nuvoton drivers, which can lead to boot loops or "Blue Screen of Death" (BSOD) errors. Always source your drivers directly from the company that built your PC or motherboard.
Right-click and choose Update driver . Click Search automatically for drivers . Restart your computer if prompted. Method 2: Manual Installation via OEM Support Right-click the and select Device Manager
Here is the ultimate guide to understanding, updating, and troubleshooting the Nuvoton Communications Port Driver on Windows 10.
Microsoft has been deprecating legacy COM port interfaces for years. However, the embedded controller (EC) functionality is still needed for hardware monitoring. Expect Nuvoton to transition from "Communications Port" to a driver model in future chips. For now, on Windows 10 (supported until October 2025), the Nuvoton Communications Port driver remains essential.
For Nu-Link debuggers, driver detection problems can sometimes be resolved by updating the device firmware:
Find your Nuvoton device (it may be listed as an Unknown Device if the driver is missing completely).