Pnp0ca0 Jun 2026

This article provides a comprehensive overview of what the device is, why it is critical for modern computing, and how to fix associated driver issues. What is PNP0CA0?

Microsoft’s in-box driver ( UcmUcsiAcpiClient.sys ) depends directly on ACPI methods provided by your computer manufacturer's firmware.

Permits the Type-C port to pass native video signals directly to external displays, docking stations, and monitors. Why the "UCSI USB Connector Manager" Fails pnp0ca0

In Windows, a PNP_DETECTED_FATAL_ERROR (stop code 0x000000CA ) is often triggered by a faulty Plug and Play driver. Boot into Safe Mode and use Device Manager to either:

: It is commonly found in laptop BIOS code (DSDT tables) to define the mailbox communication between the BIOS/OS and the hardware controller. BIOS Implementation of UCSI This article provides a comprehensive overview of what

If you're experiencing issues with PNP0CA0, don't worry – troubleshooting steps are available to help resolve common problems. As technology continues to evolve, it's likely that PNP0CA0 will remain an essential part of our computing experience.

The device ID represents the UCM-UCSI ACPI Device in Microsoft Windows operating systems. It is a critical Plug and Play (PnP) hardware identifier that connects your computer's motherboard firmware directly to the operating system's USB Type-C subsystem. Permits the Type-C port to pass native video

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If you see an error for this device, you may experience slow charging, no charging, or USB-C devices not being recognized. Common PNP0CA0 Issues and Symptoms