Pnp0ca0: Extra Quality

The identifier is found across major desktop and laptop hardware lineups. It is typically named UCM-UCSI ACPI Device or UCSI USB Connector Manager inside the Windows Device Manager. Manufacturer Sample Hardware Models Device Manager Display Name HP EliteBook 840 G5 , EliteBook X360 1040 UCSI USB Connector Manager / UCM-UCSI ACPI Device ASUS ROG Strix Z790-H Gaming , ROG Maximus Z690 Hero UCM-UCSI ACPI Device / Dispositivo UCM-UCSI ACPI Dell Latitude, XPS, and Precision Series TI USB Connector Manager Class Extension Troubleshooting PNP0CA0 "Code 43" and Driver Issues

The pnp0ca0 identifier is a gateway to understanding one of the most sophisticated and modern aspects of PC hardware: the USB-C port and its advanced features. When this link breaks, the result can be frustrating and difficult to diagnose, but it's rarely an insurmountable problem. The root cause is almost always a from the manufacturer or a driver conflict within the operating system. pnp0ca0

Be cautious when manually controlling hardware components to avoid damage. The identifier is found across major desktop and

Since this is an "in-box" driver, the first step is always a system update. When this link breaks, the result can be

: Detecting and launching protocols like DisplayPort or Thunderbolt over the Type-C connection.

Right-click the Windows Start menu button and open .

As odd as it sounds, sometimes the issue is not with the driver but with a "stuck" Embedded Controller (EC) on the motherboard. The EC is a small microcontroller that handles power sequencing and battery charging.