日本語のみで絞り込む

2024/1/17 -The device descriptor contains information about a USB device as a whole. This topic describes the USB_DEVICE_DESCRIPTOR structure and ...

The Device Descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information. The unique numbers, idVendor and ...

2023/11/10 -The purpose of the device descriptor is to let the host know what specification of USB the device complies with and how many possible ...

2024/1/17 -Every USB device exposes a device descriptor that indicates the device's class information, vendor and product identifiers, and number of ...

The configuration descriptor specifies how the device is powered, what the maximum power consumption is, the number of interfaces it has. Therefore it is ...

It manages when the host and each individual pipe are allowed to transmit data. The maximum size of a packet that a device can transmit or receive is provided ...

2023/6/16 -Believe me, I tried EVERRRRRRRRRYTHING. The latest solution I just tried was selecting the 'unknown usb device descriptor request failed" and ...

2022/10/28 -Remove USB Device and Scan for Hardware Changes · Launch Device Manager by pressing Windows Key + R to launch the “Run” box, then type devmgmt.

What do I do if my printer is listed as Unknown device (Device Descriptor failed)? · 1. Use the Windows search to find Services and open it as an Administrator.

This page provides you with 9 step-by-step solutions to resolve the "Unknown USB Device (Device Descriptor Request Failed)" error in Windows 11/10.