In the ACPI namespace, this device often appears with a of USBC000 and a Compatible ID (_CID) of PNP0CA0 .
Because the PNP0CA0 device is responsible for essential USB-C functions like negotiating power delivery and DisplayPort Alternate Modes, when it malfunctions, the symptoms can range from annoying to debilitating.
If you are currently experiencing an error with the device on your PC, please tell me your computer model or motherboard type and the exact error code listed in your Device Manager. I can provide the direct link to the official firmware update to help restore your USB Type-C functionality. Share public link pnp0ca0
A mismatched operating system update leaves the Windows kernel unable to safely parse the system's core BIOS ACPI tables. Step-by-Step Troubleshooting Guide
The underlying operating system handles the complex operational pipeline using the built-in, native driver file named . Critical Technical Features Handled by PNP0CA0 In the ACPI namespace, this device often appears
The system failure rarely stems from a broken physical port. Instead, it is usually triggered by a miscommunication loop:
Negotiates high-wattage charging profiles (e.g., pulling 65W or 100W safely instead of baseline 5V/0.5A power). I can provide the direct link to the
Every physical component or firmware interface on a computer motherboard carries a Plug and Play (PNP) or Advanced Configuration and Power Interface (ACPI) identifier. Windows references these identifiers against its database to automatically load the correct system files.
If you see "no such file" or other errors, the device is disabled at the firmware level. You may also find related errors in the system log by typing dmesg | grep -i ucsi or dmesg | grep -i pnp0ca0 .