Understanding how to verify driver installation, enable virtual COM ports on hardware, change COM port assignments, and troubleshoot common issues will ensure a smooth experience with Nuvoton devices on Windows 10. By following the recommendations in this guide, you can establish reliable communication between your Windows 10 system and Nuvoton hardware devices for all your development and operational needs.
This method should be considered a last resort, as forced installations may lead to system instability if not properly handled.
“Check the USB controller in your VM—USB needs to be controlled by the host operating system (Windows). If you have removed USB control from the VM but NuWriter still cannot connect to the target board, close the VM and try re‑initializing.” nuvoton communications port driver windows 10 best
Issue 1: "The drivers for this device are not installed" (Code 28)
To get the most stable driver, you should look in specific places depending on your computer setup. Method 1: The Manufacturer's Support Page (Recommended) “Check the USB controller in your VM—USB needs
If you have no external device plugged into the motherboard’s COM header, the driver is harmless background service.
Restart your PC, enter the BIOS settings, and ensure that the onboard Serial/Parallel configuration matches the settings expected by Windows 10, or try resetting your BIOS to default values. Conclusion Restart your PC, enter the BIOS settings, and
This error usually indicates a driver mismatch or a resource conflict in Windows 10.
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