2025/3/5 -Open Device Manager, locate the “Unknown USB Device (Device Descriptor Request Failed)” entry, right-click it, and choose Uninstall. • Once ...
2024/11/18 -The device descriptor contains information about a USB device as a whole. This article describes the USB_DEVICE_DESCRIPTOR structure.
2024/11/24 -When the device appears as Unknown, it means that Windows couldn't read some information about the device. This would include things like the hardware ID & ...
2025/5/20 -I am a new FM3 owner and I am unable to connect the unit to my windows 11 computer. When I look in device manager it shows "Unknown USB Device (Device ...
Here is how to fix 'device descriptor request failed' error. Check out our website https://candid.technology/ for more guides and tech explainers, reviews, ...
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2025/5/23 -The purpose of the device descriptor is to let the host know what specification of USB the device complies with and how many possible configurations are ...
Q.windows8のデバイスマネージャーに不明なデバイスが表示され、消すことが出来ません。 デスクトップのWindows8パソコンを使用しているのですが(自作です) ELECOMのカードリーダー「...
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。
Q.下記のライブラリーをimportしていますが、それらが記載されたライブラリ名が 判りません。 Q1)EclipseのプロジェクトのCLASSPATHに追加するjarファイル名を お教えください。 =
A.ch.ntb.inf.libusbJava.* ではなく、ch.ntb.usb.* ではありませんか？ 後者であれば、最新版は ch.ntb.usb-0.5.9.jar のようです。 http...
2025/4/20 -Device Descriptor Request Failed means that there is a problem with communications on one of your “active” USB devices. You don't get that type of error if ...
2024/8/4 -I am not able to connect Quest 2/3 devices to my windows PC. I am getting error regarding Unknown USB device in Device Manager. So presently I've issue in ...
2024/7/19 -How to Change USB Device Descriptor in Device Manager for STM32 USB CDC FS · How can I change the device descriptor to show a custom name in the Device Manager?
2025/1/11 -The “Device descriptor request failed” error essentially means your Windows operating system was not able to identify a USB device.