Pnp0500 Driver Updated [2021]
The "PNP0500" hardware ID refers to a standard Communications Port (COM), a legacy device used for serial data communication. While physical serial ports (the 9-pin D-sub connectors) are rare on modern laptops, they are still found on industrial motherboards, docking stations, or as virtual ports for specialized hardware. What is the PNP0500 Driver?
Action summary:
identifier refers to a standard 16550A-compatible serial communications port (COM port) pnp0500 driver updated
While often overlooked, this core system component ensures your hardware communicates correctly with Windows power management and timing services. What’s New in This Version? Enhanced Sleep/Wake Stability The "PNP0500" hardware ID refers to a standard
- In Device Manager, right-click the PNP0500 port → Properties → Power Management tab.
- Uncheck "Allow the computer to turn off this device to save power." This is a frequent culprit after driver updates.
Most users do not need to manually seek out this driver as it is typically handled by the operating system or bundled with motherboard/chipset firmware updates. In Device Manager, right-click the PNP0500 port →
- Internal modem
- Serial/parallel port chipset
- Motherboard communications port (16550 UART compatible)
Windows Update Optional Drivers: Microsoft regularly re-signs and updates inbox drivers for compatibility with new Windows builds (e.g., Windows 10 22H2, Windows 11 24H2). A "PNP0500 driver updated" in optional updates means a newer, Microsoft-signed version of serial.sys or comport.sys is available.