(also appearing as ACPI\PNP0CA0 ACPI\USBC000 ) is a standardized hardware identifier for the USB Type-C Connector System Software Interface (UCSI)
: Install lm-sensors to monitor temperature, voltage, and fan speed. It includes tools to read information from various hardware components. pnp0ca0
**If you meant #2 or #3, please give a short hint**, e.g.: (also appearing as ACPI\PNP0CA0 ACPI\USBC000 ) is a
While PNP0CA0 is a background component, it often becomes the center of attention during hardware troubleshooting. Users may encounter a "yellow bang" (an exclamation mark icon) in the Device Manager under the "Batteries" category, specifically on the "Microsoft ACPI-Compliant Control Method Battery" entry. Microsoft Support : Microsoft's official support page on
If the device shows a "Code 43" in Windows or "failed to read PPM" in Linux, try these steps: Update BIOS/Firmware : UCSI is heavily dependent on the firmware's ACPI implementation