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

Updated on Dec 26, 2017 by Abby Haines to Storage Media Recovery

Summary

Did you get an get Unknown USB Device (Device Descriptor Request Failed) error in Windows 10? This page created quick and advanced fixed to help you get the problem resolved and make your device recognized. If data recovery is needed, free download EaseUS data recovery software to check, see if it can help!

Typical symptoms of unknown USB device error in Windows 10

Sometimes, when you plug a USB drive into your Windows 10 PC, it cannot be accessed and will show you USB device malfunctioned error with "The last USB device you connected to this computer malfunctioned, and Windows does not recognize it." message. If you go to device manager to check and fix the problem, you will see that your device is labeled as Unknown USB Device (Device Descriptor Request Failed). 

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

Have you ever encountered a similar USB device not recognized in Windows 10 issue? Don't worry! This page created quick and advanced fixes to help you get the problem resolved.

Quick fixes to unknown USB device in Windows 10

In case that unknown USB device (device descriptor request failed) error happens because the USB port or USB device is damaged, please take the following steps before trying the advanced solutions.  

  • Try plugging in a working USB drive to check whether the USB port is working or damaged. 
    Plug your USB into a different PC to check whether the USB drive is working or damaged. 
Tips
If the device is damaged, you should take measures to repair the corrupted USB flash drive. Our advice is to recover data using EaseUS data recovery software and then format the disk for reuse. 

To recover data from unknown USB device in Windows 10:

1. Connect the USB device to your PC, download and launch EaseUS disk Data Recovery, select the disk and click the "Scan" button.
2. A quick scan will start first to find the lost and existing data on the USB device.  Then a deep scan will launch in order to find more files.
3. After the scan finishes, preview and choose the files you want to recover. Finally, click the "Recover" button to export and save them on another external memory device. 

Recover data from unknown USB device in Windows 10

Advanced fixes to unknown USB device in Windows 10

#1 Use Hardware and Devices troubleshooter

  • Press Win+R, type Control Panel and hit Enter.
  • Inside Control Panel in the search box type troubleshooter and select Troubleshooting.
  • After that select Configure a device under Hardware and Sound and follow on screen instruction.
  • Click on Apply this fix if any problem is found. 

If the unknown USB device error is triggered by hardware issues, it will no longer appear after you  try the above steps. If not, you need to move  on to the next method to find a fix.

#2 Try to Uninstall USB Drivers 

  • Open Device Manager (Right Click on Windows Logo and Click Device Manager).
  • Now find and expand Universal Serial Bus controllers. Now right click on USB drivers and click Uninstall. Do for all USB drivers one by one.
  • Restart your PC then Windows will reinstall the device automatically.

Did it solve the USB device (device descriptor request failed) error? If not, try the next fix. 

#3 Disable Fast Startup

  • Press Win+R, type Control Panel and hit Enter.
  • Click on Power Options and select Choose what the power buttons do in the left pane.
  • Click on Change settings that are currently unavailable.
  • Under Shutdown settings, uncheck the box next to Turn on fast startup (recommended). Then click on Save changes button.

Restart your PC and see if the unknown USB device problem has been resolved in Windows 10. if it doesn't work, try to perform a system restore to get rid of this issue. 

#4 Restore Your PC To Previous Recovery Points

  • Press Win+R, type Control Panel and hit enter.
  • Now find and open the Recovery option.
  • Select System Restore, follow the on-screen guide and wait until all the recovery points are shown.
  • Restore your PC from the right recovery point.