Usb\class_00&subclass_00 ((new))

If you see this ID in the Windows Device Manager under "Other Devices" or with a yellow exclamation mark, it usually means Windows has detected the hardware but cannot find a specific driver to match its sub-functions. Common scenarios include: Defined Class Codes | USB-IF

This setup is most common for —single physical units that perform multiple functions, such as a printer that includes a built-in scanner and memory card reader. Why You See This ID in Device Manager

SP_DEVINFO_DATA devInfoData; // iterate and check compatible IDs for "USB\CLASS_00&SUBCLASS_00" usb\class_00&subclass_00

Devices with a class code of 00 and a subclass code of 00 are often referred to as "vendor-specific" devices, as they require custom handling by the host computer.

The USB class codes are defined as follows: If you see this ID in the Windows

The USB (Universal Serial Bus) standard is a widely used interface for connecting devices to a host computer. It was introduced in the mid-1990s and has since become the primary means of connecting peripherals such as flash drives, keyboards, and printers to computers.

In USB specifications, class 0 means either: The USB class codes are defined as follows:

In the USB specification, functionality is defined by a "triple" consisting of , SubClass , and Protocol .

: This code indicates that the device's class information is not provided in the Device Descriptor. Instead, the host (your computer) must look at the Interface Descriptors to determine which drivers to load.

Subclass 0 usually means or reserved .

The string "usb\class_00&subclass_00" refers to a USB device .