If you would like to resolve a specific driver issue, please let me know:

Sometimes, Windows Update will automatically replace a perfectly working OEM driver with a generic one that breaks functionality.

For Windows 10, the "best" driver is typically the one provided by your motherboard manufacturer or the official Nuvoton Technology Corporation .

If Windows Update fails automatically, you can pull the official driver manually:

Alex didn't settle for the "Update Driver" button—Windows often failed to find these legacy gems. He followed a professional checklist to find the ultimate match:

Go to https://www.catalog.update.microsoft.com and search for: . Look for the latest driver with:

The Definitive Guide to Nuvoton Communications Port Drivers for Windows 10

Action Step: Head to the official support website for your motherboard manufacturer, enter your exact motherboard model, and download the communications/serial driver from the official Windows 10 downloads section. 2. Windows Update (WHQL Certified)

If you downloaded a raw driver package containing .inf files, use Device Manager to force the installation. Right-click the Start Menu and select .

If the device appears under Other Devices with a yellow exclamation mark, or you see an “Unknown Device”, proceed with manual installation.

Right-click on (or the device displaying a yellow exclamation mark). Choose Update driver . Select Search automatically for drivers . Nuvoton Communications Port (COM1) Driver for INTEL_

Faster communication between hardware components.

: Windows 10 often carries these drivers in its optional updates database.

Sometimes, a corrupted Nuvoton driver can cause the System process or wuauserv to consume massive amounts of CPU because it is caught in a polling loop trying to communicate with a dead or unresponsive port.