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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 ...

2023/6/16 -If the device isn't showing under device manager or under show hidden devices then shutdown the pc, unplug the power cable & then reconnect, ...

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

The device descriptor includes information such as what USB revision the device complies to, the Product and Vendor IDs used to load the appropriate drivers and ...

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 ...

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.

The “Unknown USB Device (Device Descriptor Request Failed)” error occurs when the operating system cannot identity a USB device.

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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.

A.完全シャットダウン→電源コードを抜く→電源ボタンを押す→しばらくしてから再起動 これで治るでしょう。 Windows8は完全シャットダウンしないと履歴引き継ぎます。

解決済み-回答:1件-2013/7/14

A.補足拝見しました。Onboard Devicesが無いと言っていることは、HDDのマスターブートレコード(MBR)が破損していて、HDDからOSを読めなくなっている可能性があります。当時のDEL...

解決済み-回答:1件-2011/2/25