Nuvoton Communications Port Driver Windows 10 Best !full! Jun 2026

The Nuvoton Communications Port driver is a critical system-level software component that allows Windows 10 to communicate with serial interfaces on your motherboard or connected peripherals. This driver is essential for maintaining a stable connection with devices like GPS modules, blood pressure monitors, and embedded development platforms. Identifying the Best Driver for Windows 10

⁠DriverHub offers a database of verified Nuvoton drivers if manufacturer sites are unavailable.

If you trust the source of the driver, you can temporarily disable Driver Signature Enforcement via the Advanced Startup Options menu to complete the installation. COM Port Number Conflicts

A persistent yellow exclamation mark next to "Unknown Device" or "PCI Simple Communications Controller." nuvoton communications port driver windows 10 best

Your (e.g., ASUS ROG STRIX B550, HP ProBook 450 G5)

If you already have the driver downloaded or want Windows to search for the best available online: Right-click the and select Device Manager . Expand the System devices or Ports (COM & LPT) section.

host these specific version files but often require their own update software for installation. How to Install on Windows 10 The Nuvoton Communications Port driver is a critical

| Issue | Possible Cause | |-------|----------------| | in Device Manager | Conflicting IRQ/I/O, disabled in BIOS, or corrupted driver | | Code 10 (device cannot start) | Resource conflict with another legacy device or incorrect BIOS settings | | Code 31 (driver not installed) | Missing .inf file after Windows update | | Random high CPU usage | Misbehaving software polling the COM port (e.g., old monitoring tools) | | Can't change COM port number | Another program has reserved the port, or registry permissions issue | | Driver fails after Windows upgrade | Windows replaced a custom vendor driver with its generic one |

Right-click the device -> Properties -> Details -> Hardware Ids. Look for *PNP0500 or *PNP0501 .

What is the of your computer or motherboard? If you trust the source of the driver,

| Attribute | Detail | |-----------|--------| | | 7.2.5.0 | | Release Date | 2025/11/2 | | File Size | 491 KB | | Source | Microsoft Update Catalog (official, WHQL signed) | | Target Windows | Windows 10 and later, Windows Server |

| Nuvoton Chip Family | Recommended Driver Version | Source | |---------------------|----------------------------|--------| | NCT6779D / NCT6791D | or newer | ASUS PRIME Z390-A (2021) | | NCT6106D | 1.1.2.3 | ASRock B85 Pro4 | | NCT6687D (Ryzen boards) | 3.0.5.1 | MSI B450 Tomahawk Max | | NCT5535D (Embedded) | Reference 1.0.0.24 | Nuvoton GitHub Archive |

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The "best" driver is not always the newest one. The best driver is the one validated by your specific hardware manufacturer. 1. The Original Equipment Manufacturer (OEM) Driver