Unknown USB Device (Device Descriptor Request Failed) [9 Fixes]

When we connect our USB drive to Windows PC, it is common to encounter issues like unable to recognize, malfunctioned USB drive, USB_device_descriptor_failure, etc. But today, in this specific post, we are going to talk about one of the most irritating error messages “Unknown USB Device (Device Descriptor Request Failed)”.

Thus, if you’re currently encountering Windows 10 unknown USB Device (Device Descriptor Request Failed) error and want to fix it, you are at the correct webpage. All you need to do is to apply the solutions mentioned here to access the data saved on the USB easily.

You can fix device descriptor request failed code 43 by checking the connection issue, uninstalling USB drivers, disabling fast startup, etc.

However, while solving this issue, if you find yourself in a USB data loss situation, try USB Drive Data Recovery Tool to bring them back successfully.

Rated Excellent on Trustpilot
Free USB Drive Recovery Tool.
Recover data from USB drives, Pendrives, SSDs, HDDs, and other devices on Windows. Try now!

But before we dig into the solutions, let’s know something about the ‘unknown USB device device descriptor request failed’ error.

What Does USB Device Descriptor Request Failed Mean?

Windows PC may not recognize your USB device and throw an error message Unknown USB Device (Device Descriptor Request Failed) or Windows has stopped this device because it has reported problems. (code 43) a request for the USB device descriptor failed and thereby you can’t take advantage of that USB device.

Just after plugging the USB device, we got the following notifications:

USB device not recognized

The last USB device you connected to this computer malfunctioned, and Windows does not recognize it.

Fix Unknown USB Device Device Descriptor Request Failed In Windows 10

Then we checked the same device in Device Manager. The device listed under Universal Serial Bus Controllers reading as Unknown USB Device (Device Descriptor Request Failed) with a yellow exclamation mark on its entry.

solve unknown usb device

Then we checked its properties. It shows the following;

Windows has stopped this device because it has reported problems. (Code 43)

A request for the USB device descriptor failed.

Solved Unknown USB Device Device Descriptor Request Failed In Windows 7/8/10

When such error messages take place, you can’t access the data saved within your data storage media. Now, let’s know the major factors behind the occurrence of this error message.

What Causes “Unknown USB Device (Device Descriptor Request Failed) Error” To Occur?

If you talk about the cause, they could be miscellaneous. This problem may occur if any of the following situations exist:

  • Malfunctioning of hardware might be the cause.
  • The currently loaded USB driver has become corrupt or unstable.
  • Maybe your drivers are outdated.
  • Maybe your computer requires an update for issues that were creating a problem with an external USB hard drive and Windows.
  • Windows might be missing other important hardware or software updates.
  • May your USB controller have become corrupt or unstable.
  • Maybe your external drive entering selective suspension.
  • Your computer motherboard might require updated drivers.

How To Fix Unknown USB Device (Device Descriptor Request Failed)?

Solution 1: Check USB Device & Connection Status

The very first solution to fix unknown USB device (device descriptor request failed) is to check USB device and connection status. If you don’t find any hardware issue then you have to move to the other solutions as mentioned in this blog in the below further section.

But, to check and fix connectivity issue, you can follow the below steps:

  • You have to first unplug the USB drive and insert it to another USB port to check if it’s recognized.
  • Next, you can insert the device to a different system to check if the USB device descriptor error is causing there as well.
  • Also, you can remove the power plug from the laptop and then restart the system and insert the USB drive again and check if the issue is fixed.

Solution 2: Use Hardware And Devices Troubleshooter

You can run Windows Troubleshoot to get rid of this problem. Windows Troubleshoot is a Windows’ inbuilt utility that scans for issues & fixes them.

Thus, you should also try this method once to tackle the situation:

  • On your PC click START > Type RUN in the search bar and hit ENTER.
  • Run dialog box will get open, now type Control Panel and hit OK.

  • Inside Control Panel in the search box type troubleshooter and select Troubleshooting.

  • Now select ‘Configure a device’ under ‘Hardware and Sound’ and follow on-screen instruction.

  • If any problem found, then click on ‘Apply this fix’.

This will solve any issue which troubleshooter is capable of if it doesn’t then follow the next solution.

Solution 3: Fix Unknown Device Issue By Uninstalling USB Drivers

Sometimes an unknown USB device (device descriptor request failed) Windows 11/10 occurs due to USB driver issues. Though, you can easily fix it by uninstalling & reinstalling the USB driver via device manager.

Here is how you can easily do so:

  • On your PC click START > Type RUN in the search bar and hit ENTER.
  • Run dialog box will get open, now type devmgmt.msc and hit OK to open Device Manager.

  • Find and expand Universal Serial Bus controllers.

  • Connect your USB device which is throwing unknown usb device/not recognized by Windows.
  • You will see a Windows 10 Unknown USB device (Device Descriptor Request Failed) with a yellow exclamation mark in Universal Serial Bus controllers.
  • Now right-click on it and click Uninstall.

  • Restart your PC and the drivers will get installed automatically.

Did this solution help you to fix USB device (device descriptor request failed) error? If not, then move on to the next solution.

Solution 4: Disable Fast Startup

Disabling the fast startup solves optimization issues of your OS. Thus, you need to also disable an option “fast startup” from a control panel to fix this error. Follow these below steps to do this:

  • On your PC click START > Type RUN in the search bar and hit ENTER.
  • Run dialog box will get open, now type Control Panel and hit OK.

  • Inside Control Panel, in the search box type Power options.
  • Now select the ‘Change what the power buttons do.

  • Click on ‘Change settings that are currently unavailable.’

  • Under Shutdown settings, uncheck the box next to Turn on fast startup (recommended).

  • Next click on Save changes and Reboot.

Now check if the unknown USB device (device descriptor request failed) fixed on Windows PC. If it doesn’t, then follow the next solution.

Solution 5: Change the USB Selective Suspend Settings

Another method that you can try to fix unknown USB device configuration descriptor request failed error is to change the USB selective suspend settings.

It is an exceptional feature of the Windows which assists the PC to save energy & is typically turned OFF by default.

So, you have to enable and again disable this feature to fix this problem successfully.

  • Right-click on battery icon and select ‘Power Options

  • Select Change plan settings.

  • Next click on Change advanced power settings.

  • Find USB settings and expand it.
  • Expand USB selective suspend settings and Disable both On battery and Plugged in settings.

  • Click Apply and Reboot.

Now check if the unknown USB device device descriptor request failed Windows 10 is solved or not. If not, then perform system restore.

Solution 6: Restore Your PC to Recovery Points

  • On your PC click START > Type RUN in the search bar and hit ENTER.
  • Run dialog box will get open, now type Control Panel and hit OK.
  • Inside Control Panel, in the search box type Recovery.
  • Select System Restore and follow the onscreen instruction and wait till all the recovery points are shown.
  • Restore your PC from the right recovery point.

For more information on System Restore, please check Recovery options in Windows 10.

Solution 7: Check And Fix Bad Sectors For Malfunctioned USB Device

Another solution you can try to fix unknown USB device (device descriptor request failed) error is to check and fix bad sectors in the malfunctioned USB drive.

Bad sectors are actually the areas that cannot be read/written. If there are too many bad sectors present in the USB device then it is better to replace the USB device with the new one.

You can fix bad sectors on USB drive using a third party tool and recover data from it if it becomes inaccessible or lost. For this, you can try USB Drive Data Recovery Tool. You can simply download this tool and go to the options to fix bad sectors and recover data from it.

Solution 8: Update Generic USB Hub

Updating a generic USB hub can also help you to fix an unknown USB device (device descriptor request failed) code 43 windows 10.

Here follow the steps:

  • Press Windows Key + R together to open RUN
  • In RUN box type ‘devmgmt.msc’ and hit ENTER to open Device Manager.

  • Locate and expand Universal Serial Bus controllers.
  • Right-click on “Generic USB Hub” and click on ‘Update Driver Software’.

  • After this click on the ‘Browse my computer for driver software’

usb device (device descriptor request failed)

  • After that select the ‘Let me pick from a list of drivers on my computer’.

  • SelectGeneric USB Huband then click on Next.

  • Now simply wait for the installation to get complete and then click on Close.
  • Repeat the above steps for all the ‘Generic USB Hub’ displayed under the Universal Serial Bus controllers.
  • If the error still exists then follow the same steps again but this time for Universal Serial Bus Controllers.

usb device (device descriptor request failed)

This solution must fix your error of “USB Device Not Recognized. Device Descriptor Request Failed”.

Solution 9: Update The USB Device Drivers

If nothing works then the last option left for you is to update the USB drivers and fix device descriptor request failed code 43. Most probably, outdated drivers on the PC can result in such sorts of error messages.

So, all you need to do is follow the below steps and solve the issue.

  • At first, right-tap on Start menu >> select the Device Manager.

select Device Manager

  • Search for the USB drive that shows Device Descriptor Failed. It is placed under the “Universal Serial Bus Controllers” option.
  • You have to expand it & make a right-tap on Unknown USB Device.
  • Now, tap on the Update Driver.
  • Finally, click on the Search automatically for updated the driver software.

usb device (device descriptor request failed)

Once the process is finished, restart your PC & you’ll be free from the error.

Ultimate Solution To Recover Data From USB Drive

After fixing this error, if you ever find that your data has been deleted from your USB drive then do not worry. You can USB Drive Data Recovery Tool to recover deleted data from USB drive.

This data recovery tool is very easy to download, install and perform the recovery process in just a few steps. This tool is compatible with both the platforms; Windows as well as Mac OS. So, you can try this tool as per your niche.

This recovery tool not only recovers data from USB drive but also from SD card, memory card, microSD card, external hard drives, etc.

Download Data Recovery For Windows Download Data Recovery For Mac
* Free version of the program only scans and previews recoverable objects.

Here, you can go through the step-by-step guide to recover deleted data from USB drive in no time.

FAQ(Frequently Asked Questions)

1. What Do You Do When USB Device Is Not Recognized?

You can follow the above-mentioned solutions to fix USB device not recognized issue.

But besides that, you can follow below solutions as well.

#Remove the Power Supply

This method will work if the problem is caused due to the power supply.

  • Switch Off the Power Supply or unplug the power cable from PC.
  • After a few minutes reconnect the power supply.
  • Restart the PC and then connect your device to USB port.

#Install The Latest Windows Updates

Installing the latest Windows updates will also install the latest device drivers for your USB external hard drive.

Here how to do it:

  • On your PC, click on Start and then type Windows Update in the search box and then click on Windows Update
  • From here you can install all the Windows update.
  • If prompted, then reboot your PC.

For more solutions you can check out – Fixed: USB Device Not Recognized or Not Detected Issue

2. How Can I See What Is Connected to My USB Ports?

Here follow the below steps to check what is connected to USB ports (the steps are shown from the PC having Intel core processor):

  • Connect a USB device (USB mass storage device) to one of the USB port of your PC.
  • Now go to Device Manager, click on View and then click on Devices by connection.
  • Now in the Device by connection view, you can check the USB Mass Storage device under Intel® USB 3.0 eXtensible Host Controller.

3. How Can I Repair My USB Flash Drive?

Well, people generally repair their USB flash drive when it gets corrupt, not recognized or not detected by PC or when USB flash drive gets damaged.

So, if you are also looking to repair corrupted USB flash drives, then please follow the solutions and their steps mentioned in this post: How To Repair a Corrupted Flash Drive Using CMD (Command Prompt)

4. How Do I Reset My USB Ports?

Well, this is another solution that can help you to reset your USB port as well as it can fix USB device not recognized issue connected to USB port of Windows PC.

You can use Device Manager to scan for hardware changes.

Here follow the below steps:

  • On your PC click Start and then type devmgmt.MSC in the search box and then hit ENTER.
  • This opens Device Manager. Now click on Computer so that it gets highlighted.
  • Now click on Action and then select “Scan for hardware changes”.
  • Check the USB device whether it is working or not.

For more solutions, you can visit: USB port may stop working after you remove or insert a USB device.

Unknown USB Device (Device Descriptor Request Failed) Error

Conclusion

I hope from all the mentioned solutions, you might be able to fix the unknown USB device device descriptor request failed Windows 10 error or Windows has stopped this device because it has reported problems. (code 43) a request for the USB device descriptor failed.

Also if you have lost your media files such as photos, video or audio files from USB drive, then you can try USB Drive Data Recovery Tool to recover lost media files from USB drive with ease.

So, just try the solutions mentioned here and fix your issue as soon as possible.

All the best to you…

1 Shares
Share
Tweet
Share
Pin1