Pnp0ca0 -

Click , then click on the Scan for hardware changes icon at the top toolbar of Device Manager to force Windows to rediscover the device.

Right-click (or UCSI USB Connector Manager ) and select Uninstall device .

Often, Microsoft keeps a generic version of these bus drivers in their repository. Go to . Click Check for updates .

pnp0ca0 is a . In the world of PC hardware, every component needs a unique name so the operating system can find and communicate with it. PnP IDs are standardized codes that adhere to the format PNPxxxx , where "PNP" (a prefix controlled by Microsoft) indicates a standard device, and the following characters specify the exact type. pnp0ca0

This issue is most common after:

There are three main methods to resolve this, listed in order of reliability.

Enter your serial number or look up your specific motherboard model. Download and install the latest . Click , then click on the Scan for

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. UCSI USB Connector Manager drivers / Timi TM1701

You are moving an old hard drive to a new motherboard or upgrading from an older version of Windows to a newer one (like Windows 10 to Windows 11).

The hardware ID represents the Microsoft UCSI USB Connector Manager . It is a vital Advanced Configuration and Power Interface ( ACPI ) compatible identifier found in modern Windows computers. This component acts as a digital bridge between your operating system, the computer's motherboard firmware, and your USB Type-C hardware. In the world of PC hardware, every component

Visit the website of your motherboard manufacturer (e.g., ASUS, Gigabyte, MSI, ASRock) or your laptop manufacturer (Dell, HP, Lenovo).

UCSI functionality heavily depends on your motherboard's firmware.

If the driver for PNP0CA0 fails to load or the ACPI methods (e.g., _ON , _OFF , _STA ) are implemented incorrectly, the symptoms are subtle but severe: the laptop may fail to enter sleep mode, may wake up spontaneously, or may experience a “power spike” during idle that drains the battery. In the server world, mishandling such containers can lead to the inability to hot-plug memory DIMMs or to gracefully shut down a CPU socket.

Negotiates high-wattage charging profiles (e.g., pulling 65W or 100W safely instead of baseline 5V/0.5A power).

Restart your system to allow the firmeware to re-enumerate the physical ACPI tables. 3. Reinstall the UCM-UCSI Component