2021 年 10 月 23 日

in 窗户 by 行政专员

Fix Unknown USB Device in Windows 10 (Device Descriptor Request Failed)

You may find that when you connect an external USB drive, it doesn’t work on your computer. Instead, you get an error message: The last USB device you connected to this computer malfunctioned, and Windows does not recognize it. This may be because the device incompatible with your system. The USB 设备描述符 is responsible for storing information related to various USB devices connected to it so that Windows operating system may recognize these USB devices in the future. If the USB is not recognized, then the USB device descriptor is not working properly on Windows 10. The unrecognized device in Device Manager will be labeled as Unknown USB Device (Device Descriptor Request Failed) 用 带有感叹号的黄色三角形. The unknown USB device issue may arise due to various reasons. Today, we will help you fix the Unknown USB Device: Device Descriptor Request Failed error in Windows 10 PC.

修复设备描述符请求失败（未知 USB 设备）

How to Fix Unknown USB Device (Device Descriptor Request Failed) in Windows 10

You may face these common errors due to an Unknown USB Device issue:

设备描述符请求失败
Port Reset Failed
Set Address Failed

There can be several reasons behind this issue, such as:

Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.
Enabled USB Suspend Settings: If you have enabled the USB Suspend settings in your device, then all the USB devices will be suspended from the computer if they are not in active use.
Outdated Windows OS: In some circumstances, it could be that the Windows operating system running on your device is outdated and thus, conflicting with the device drivers.
Malfunctioning USB ports: Unclean surroundings might also contribute to the poor performance of your USB drive since the accumulation of dust will not only block the ventilation to the computer but also, cause USB ports to malfunction.
BIOS 未更新: This too may cause such problems.

A list of methods to fix Unknown USB Device: Device Descriptor Request Failed error in Windows 10 computers has been compiled and arranged according to user convenience. So, keep reading!

方法 1：基本故障排除

Method 1A: Maintain Clean & Ventilated Ambience

Unclean surroundings and dusty USB ports may cause an Unknown USB Device error in your Windows 10 desktop/laptop. Hence, you should implement the following steps:

1. Clean laptop vents & 端口。 Use a compressed air cleaner while being extremely careful not to damage anything.

2. Moreover, ensure enough space for 适当的通风 of your desktop/laptop, as shown.

ventillated laptop computer setup. Fix Unknown USB Device Descriptor Request Failed in Windows 10

Method 1B: Resolve Hardware Issues

Sometimes, a glitch in the USB port or power supply might trigger an unknown USB device Windows 10 error. Hence, you should perform the following checks:

1. 如果问题是由电源引起的，则尝试 拔下笔记本电脑后重新插入 USB 设备 从电源。

2. 连接另一个 USB 设备 with the same USB port and check if there is an issue with the port.

3. 将 USB 设备插入 不同的端口 以排除 USB 端口的问题。

usb device ports laptop

Method 1C: Restart Windows PC

In most cases, a simple restart might fix Unknown USB Device (Device Descriptor Request Failed) issue.

1. Disconnect USB 设备。

2. 重新启动 您的 Windows 电脑。

click on Restart. Fix Unknown USB Device Descriptor Request Failed in Windows 10

3. 重新连接 the USB device and check if it worked or not.

方法 2：运行 Windows 疑难解答

You should try running the in-built Windows troubleshooter to fix Unknown USB Device (Device Descriptor Request Failed) issue in Windows 10. You can do so in the two ways explained below.

Option 1: Run Hardware and Devices Troubleshooter

1。按 Windows + R. 键同时启动运行对话框。

2。类型 msdt.exe -id设备诊断 并点击 OK，如图所示。

type in command msdt.exe id DeviceDiagnostic in Run command box and select OK

3. Here click on the 高级选项，如下突出显示。

click on Advanced option in Hardware and Devices Troubleshooter

4. 选中标记的框 自动应用维修 并点击 下一页.

check apply repairs automatically option in hardware and devices troubleshooter and click on Next

5. Once the process is completed, 重启你的电脑 and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1。从 任务栏， 右键点击 USB Device icon.

2。选择 Open Devices and Printers 选项，如图所示。

3。右键单击 USB设备 （例如 克鲁泽刀片），然后选择 疑难解答，如下突出显示。

right click on usb device and select troubleshoot option in devices and printers Window. Fix Unknown USB Device Descriptor Request Failed in Windows 10

4. Windows疑难解答 will automatically detect problems and fix these as well.

Windows 疑难解答检测问题

请注意： If the troubleshooter states that it could not identify the issue, then try the other methods discussed in this article.

另请参阅： Fix USB device not recognized by Windows 10

方法3：更新USB驱动程序

To fix Unknown USB Device (Device Descriptor Request Failed) issue in Windows 10, you are advised to update USB drivers, as follows:

1。类型 “设备管理器” ，在 Windows搜索栏 并击中 回车键 推出它。

2。去 通用串行总线控制器 section and expand it with a double-click.

Double click on Universal Serial Bus Controllers in the Device Manager window

3. 现在，右键单击 USB 司机（例如 Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)）并选择 更新驱动程序.

right click on usb driver and select update driver. Fix Unknown USB Device Descriptor Request Failed in Windows 10

4。接下来，单击 自动搜索驱动程序。

5A. Your driver will 更新 itself to the latest version.

5B. If your driver is already up-to-date, then you will get the message: The best drivers for your device are already installed.

6。点击关闭 to exit the window and R开始电脑

7. 重复新密码 the same for all USB drivers.

Method 4: Roll Back USB Drivers

If the USB device had been working correctly, but began to malfunction after an update, then rolling back the USB Drivers might help. Follow the given instructions below to do so:

1。导航 Device Manager > Universal Serial Bus controllers 如解释 方法3.

2。右键单击 USB驱动 （例如 Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)），然后选择 查看房源，如下图所示。

right click on usb driver and select properties

3.在 USB Device Properties 窗口，切换到 驱动器 选项卡，并选择 回滚驱动程序。

备注: If the option to Roll Back Driver is greyed out in your system, it indicates that your system does not have any updates installed for the driver. In this case, try alternative methods discussed in this article.

roll back driver. Fix Unknown USB Device Descriptor Request Failed in Windows 10

4。选择 你为什么要回滚？ from the given list and click on 有进行确认。

select reason to roll back drivers and click Yes

5. After the process is finished, click on OK 应用此更改。

6. Finally, confirm the prompt and 重新开始 您的系统以使回滚有效。

另请参阅： Fix Universal Serial Bus (USB) Controller Driver Issue

方法一：重新安装USB驱动

If the above methods to update or roll back drivers do not work, then you can try to reinstall your USB driver. Here’s how to fix Unknown USB Device (Device Descriptor Request Failed) issue:

1。去 设备管理器 > 通用串行总线控制器, using the steps mentioned in 方法3.

2。右键单击 Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) 并选择 卸载设备，如图所示。

right click on usb driver and select Uninstall device. Fix Unknown USB Device Descriptor Request Failed in Windows 10

3。现在，点击卸载并重新启动您的电脑。

4. Now, download the latest USB driver from manufacturer website like Intel.

download intel USB driver. Fix Unknown USB Device Descriptor Request Failed in Windows 10

5. Once downloaded, install the latest USB driver. Then, connect your USB device and check if the said error is rectified.

Method 6: Disallow PC to Turn Off USB Device

The USB power-saving feature allows the hub driver to suspend any individual USB port without affecting the function of other ports, in order to save power. This feature, however useful, may still cause Unknown USB Device issue when your Windows 10 PC is idle. Hence, disable the automatic USB suspend feature using the given steps:

1。导航到 装置经理 如图所示 方法3.

2. Here, double-click on 人机接口设备 扩大它。

double click on the Human Interface Devices.

3.右键单击 USB输入设备 并选择 属性。

Right click on USB input device and select the Properties. Fix Unknown USB Device Descriptor Request Failed in Windows 10

4. Here, switch to the 电源管理 tab and uncheck the box titled 允许计算机关闭此设备以节省电量。

5.最后，点击 OK 和 重新开始 你的系统。

另请参阅： 修复USB不断断开和重新连接的问题

Method 7: Disable USB Selective Suspend Feature

The selective suspend feature too, helps you to conserve power while disconnecting USB sticks and other peripherals. You can easily disable the USB Selective Suspend feature via Power Options, as explained below:

1。类型系统面板，在 Windows搜索栏 并点击可选.

2。选择 查看方式 > 大图标，然后单击 电源选项，如图所示。

go to the Power Options and click on it

3. 在这里，点击 更改计划设置 in your currently selected plan section.

选择更改计划设置。

4.在 编辑计划设置 窗口，选择 更改高级电源设置 选项。

In the Edit Plan Settings window, click on Change advanced power settings

5. 现在，双击 USB设置 扩大它。

双击更改高级电源设置窗口中的 USB 设置选项

6. 再次双击 USB选择性挂起设置 扩大它。

double click on usb selective supend settings in usb settings in Change advanced power settings window

7. 在这里，点击 在电池 并将设置更改为 残疾人 from the drop-down list, as illustrated.

在 USB 中选择禁用电池设置在更改高级电源设置窗口中的 USB 设置中选择暂停设置

8。现在，点击插在并将设置更改为 残疾人 这里也是。

click Apply then, OK to save changes after disabling usb selective supend settings in usb settings in Change advanced power settings window

9.最后，点击使用 >好 to save these changes. Restart your PC and check if the issue is solved now.

方法二：关闭快速启动

Turning off the fast startup option is recommended to fix Unknown USB Device (Device Descriptor Request Failed) issue in Windows 10. Just, follow the given steps:

1。去 控制面板>电源选项 如图所示 方法7.

2. 在这里，点击 选择的电源按钮做什么 左侧栏中的选项。

3. 现在，选择 更改当前不可用的设置 选项。

单击更改当前不可用的设置

4. Next, uncheck the box 打开快速启动（推荐） 然后点击 保存更改 如下所示。

uncheck the box Turn on fast startup and then click on Save changes as shown below. Fix Unknown USB Device Descriptor Request Failed in Windows 10

5。最后， 重新开始 您的 Windows 电脑。

另请参阅： Fix USB Device not Recognized Error Code 43

方法 9：更新 Windows

Always ensure that you use your system in its updated version. Otherwise, it will cause the said problem.

1。类型 检查更新 ，在 Windows搜索栏 并点击可选.

2. 现在，单击 检查更新 按钮。

select Check for Updates from the right panel.

3A. Follow the 屏幕指示 下载并安装可用的最新更新。

Follow the on screen instructions to download and install the latest update available. Fix Unknown USB Device Descriptor Request Failed in Windows 10

3B。如果您的系统已经是最新的，那么它会显示 你是最新的 信息。

Windows 更新您已是最新消息

4. 重新启动 your system and check if the issue is resolved now.

方法10：更新BIOS

If the above method could not fix Unknown USB Device issue in your Windows 10 desktop/laptop, then you can try updating system BIOS. Read our elaborate tutorial to understand What is BIOS, How to check the current BIOS version, and How to update System BIOS here.

专业提示： Use the given links to Download Latest BIOS Version for 联想 Lenovo, 戴尔 & HP 笔记本电脑。

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We hope that you could learn 如何 fix Unknown USB Device (Device Descriptor Request Failed) issue in Windows 10 problem. Let us know which method helped you the best. Also, if you have any queries or suggestions, then feel free to drop them in the comments section.