How to Fix Unknown USB Device (Device Descriptor Request Failed) Error

Here are a few of the common errors that the users face:

• USB DEVICE_DESCRIPTOR_FAIL
• Unknown USB device windows 10
• Try to reconnect the device
• Windows do not recognize the USB drives
• Unknown USB device

The reasons for device descriptor request failed error

There are many causes for Device descriptor request failed message, here are a few of them:

• The Motherboard of the PC has a problem
• The USB drive is corrupt
• You are using outdated BIOS system
• The USB port is not functioning properly
• The USB controller is unstable or corrupt
• The issue is in the hardware or software components

We have shortlisted few solutions to fix the Device descriptor request failed error without losing any data:

1. Disable USB Selective Suspend Settings

The USB selective settings enable when the USB port is in low-power mode. It results to the USB port not to function properly and cause USB device descriptor to fail error. Try to disable this feature through these steps:

• Right-click on the battery option of your system. Now, select Power options from the menu
• Select Change Plan Settings , in the Power option Window
• In the following window hit on Change Advanced Power Settings

• Search and expand USB settings from the list
• Click and expand the USB selective suspend setting option. Further, go to “on battery” icon and select Disabled in the drop-down list

• Use the same method to disable the Plugged-in option. Now click on Apply and OK buttons and restart your system

2. Disable the Fast Staturp Option

The Fast startup feature is to make the computer to start or hibernate faster. This feature may make your system to function so quick that Windows cannot identify the USB device and result in device descriptor failure error. Follow the below steps to turn off the fast startup:

• Open the Run dialog box by pressing Windows + R key simultaneously
• In the Search box type “Control” and hit OK . It opens the Control panel

• In the search box under the control panel type “Power options ” and select Change what the power buttons do option from the list
• Now, click on Change settings that are currently unavailable link and turn on password protection

• Un-check the box Turn on Fast startup, in the shutdown settings and click on save changes option

3. Uninstall the Unknown and Unwanted USB Drivers

• To open the Run dialog box, press and hold Windows key + R key together.
• Type Devmgmt.msc and press Enter to open Device Manager
• Search and click on Universal Serial Bus Controllers to enlarge it

• Now place the USB device with a yellow-sign, right-click on it and select Uninstall
• Reboot your operating system

4. Update the Driver Generic USB Hub software

It is the easiest solution to solve the device descriptor request failed error. Follow the instructions below:

• Hold Windows + R key together to open the Run command.
• Type devmgmt.msc in the dialog box and hit enter. It opens the Device manager
• Search for Universal Serial Bus . Now, click and expand it
• Right-click on the Generic USB Hub icon and choose the Update Driver Software

• Select and click on the Browse my computer for driver software option , in the following window
• Now, choose the Let me pick from a list of drivers on my computer option
• In the resulting window, click on Generic USB hub and then enter the next button
• Do the same process if you witness any other Generic USB hub. When the process is over, Close all windows

We hope these manual solutions help you to fix the unknown USB device descriptor request failed error. Always remember to recover your data before applying any repair actions. Let us know which method is useful for you in the comment section below.

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Read Next:

• How to Fix “Service Registration Is Missing or Corrupt” Error In Windows 10?
• How do I fix the DRIVER_POWER_STATE_FAILURE Error on Windows?

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