Pnp0ca0 ^new^ Jun 2026

Negotiating charging speeds and power roles (determining if your device is charging or being charged).

Despite this, some users may still encounter issues with PNP0CA0, such as: pnp0ca0

In the ACPI namespace, this device often appears with a of USBC000 and a Compatible ID (_CID) of PNP0CA0 . Negotiating charging speeds and power roles (determining if

: Install lm-sensors to monitor temperature, voltage, and fan speed. It includes tools to read information from various hardware components. It includes tools to read information from various

: Some UCSI controllers get stuck in a bad state. Power off the device, unplug the power cord (and battery if possible), and hold the power button for 30 seconds to reset the Embedded Controller (EC) Check Kernel Support (Linux)

In some systems, UCSI must be explicitly enabled in the BIOS settings.

The "UCM-UCSI" (USB Connector Manager - USB Type-C Connector System Software Interface) acts as the bridge between your computer's hardware (specifically the embedded controller) and the operating system (Windows) to handle USB-C tasks:

Protective Building Selection Guide

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