Pnp0ca0 2021 < 2026 Release >

ACPI (Advanced Configuration and Power Interface) device ID used to identify the USB Type-C Connector System Software Interface (UCSI)

Be cautious when manually controlling hardware components to avoid damage.

Negotiating power roles (charging vs. providing power) and wattage levels between the laptop and connected devices. Alternate Modes: Managing high-speed data protocols like DisplayPort Thunderbolt over the USB-C port. Data Role Swapping: pnp0ca0

You can also look for the driver in the kernel logs to see if it loaded correctly: dmesg | grep ucsi Use code with caution. Copied to clipboard On Windows Device Manager System Devices . It often appears as "UCM-UCSI ACPI Device." 2. Common Issues & Troubleshooting

USB Type-C Connector System Software Interface (UCSI) driver ACPI (Advanced Configuration and Power Interface) device ID

Under normal circumstances, you won't even notice PNP0CA0. It sits silently under the System Devices category in Device Manager, often labeled as "PCI Bus." However, it becomes a focal point for users when:

1. Press Windows Key + X and select Device Manager.
2. Right-click the device with the ID PNP0CA0 (it may appear as Unknown device).
3. Select Update driver.
4. Choose Browse my computer for drivers.
5. If you have a folder containing chipset drivers (downloaded from your laptop/PC manufacturer's website), select that folder.

   (also appearing as ACPI\PNP0CA0 ACPI\USBC000 ) is a standardized hardware identifier for the USB Type-C Connector System Software Interface (UCSI) Press Windows Key + X and select Device Manager

   Often, Microsoft keeps a generic version of these bus drivers in their repository. Go to Settings > Update & Security > Windows Update. Click Check for updates.