Octubre 23, 2021

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 Device Descriptor 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) amb una triangle groc amb signe d’exclamació. 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.

Fix Device Descriptor Request Failed (Unkown USB Device)

Fix Device Descriptor Request Failed

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:

  • Device Descriptor Request Failed
  • 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  • Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.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 is not updated: 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!

Mètode 1: Resolució de problemes bàsics

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 & ports. Use a compressed air cleaner while being extremely careful not to damage anything.

2. Moreover, ensure enough space for ventilació adequada 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. Si el problema és causat per la font d'alimentació, aleshores tractar de Torneu a inserir el dispositiu USB després de desconnectar l'ordinador portàtil de la font d'alimentació.

2. Connecteu un altre dispositiu USB with the same USB port and check if there is an issue with the port.

3. Connecteu el dispositiu USB a un port diferent per descartar problemes amb els ports USB.

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. desconnectar the USB device.

2. Reinicia el teu ordinador amb Windows.

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

3.  Torneu a connectar the USB device and check if it worked or not.

Method 2: Run Windows Troubleshooter

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. Premeu Windows + R claus simultàniament per llançar el Correr Caixa de diàleg.

2. Escriviu msdt.exe -aneu DeviceDiagnostic i feu clic a OK, com es mostra.

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

3. Here click on the Avançat opció, tal com es destaca a continuació.

feu clic a l'opció avançada a l'eina de resolució de problemes de maquinari i dispositius

4. Marqueu la casella marcada Apliqueu les reparacions automàticament i feu clic a Següent.

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

5. Once the process is completed, reinicia el teu PC and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1. De la Barra de tasques, feu clic amb el botó dret al ratolí USB Device icon.

2. Seleccioneu la Open Devices and Printers opció, tal com es mostra.

right click on USB icon at taskbar and select open devices and printers option

3. Feu clic amb el botó dret a sobre Dispositiu USB (per exemple Cruzer Blade) i seleccioneu Resolució de problemes, tal com es destaca a continuació.

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. Eina de resolució de problemes de Windows will automatically detect problems and fix these as well.

El solucionador de problemes de Windows detecta problemes

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

Llegiu també Fix USB device not recognized by Windows 10

Mètode 3: actualitzeu els controladors USB

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

1. Escriviu gestor de dispositius al Barra de cerca de Windows i colpejar Introduïu la clau per llançar-lo.

Escriviu Gestor de dispositius al menú de cerca de Windows 10.

2. Aneu a la Controladors de bus sèrie universal section and expand it with a double-click.

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

3. Ara, feu clic amb el botó dret USB conductor (per exemple Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) i seleccioneu Actualitza el controlador.

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

4 A continuació, feu clic a Cerca automàticament controladors. 

click on select Search automatically for drivers.

5A. Your driver will actualització 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.

If you driver is already up-to-date, then you will see the following screen. Fix Unknown USB Device Descriptor Request Failed in Windows 10

6. Fer clic a a prop to exit the window and Restart l'ordinador.

7. Repetir 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. Navegueu cap a Device Manager > Universal Serial Bus controllers tal com s'explica a Mètode 3.

2. Feu clic amb el botó dret a sobre Controlador USB (per exemple Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) i seleccioneu Propietats, tal com es mostra a continuació.

right click on usb driver and select properties

3. A la USB Device Properties desvia la finestra Conductor Fitxa i seleccioneu Fes retrocedir el controlador.

Nota: 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. Selecciona Why are you rolling back? from the given list and click on per confirmar.

select reason to roll back drivers and click Yes

5. After the process is finished, click on OK per aplicar aquest canvi.

6. Finally, confirm the prompt and reprendre el vostre sistema per fer efectiva la recuperació.

Llegiu també Fix Universal Serial Bus (USB) Controller Driver Issue

Method 5: Reinstall USB Drivers

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. Anar a Gestor de dispositius> Controladors de bus sèrie universal, using the steps mentioned in Mètode 3.

2. Feu clic amb el botó dret a sobre Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) i seleccionar Desinstal·la el dispositiu, com es mostra.

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

3. Ara feu clic a Desinstal i reinicieu el vostre PC.

click on uninstall button to confirm uninstalling the driver

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. Aneu a la Gestor de dispositius tal com es mostra a Mètode 3.

2. Here, double-click on Dispositius d'interfície humana per ampliar-lo.

double click on the Human Interface Devices.

3. Feu clic amb el botó dret al ratolí Dispositiu d'entrada USB i seleccionar Propietats.

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 Administració d'energia tab and uncheck the box titled Permeteu que l'ordinador apagui aquest dispositiu per estalviar energia.

switch to the Power Management tab and uncheck the box Allow the computer to turn off this device to save power

5. Finalment, feu clic a OK i reprendre el vostre sistema.

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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. Escriviu Control Panell al Barra de cerca de Windows and clic obert.

Escriviu Panell de control a la barra de cerca i feu clic a Obre.

2. Selecciona Visualitza per > Icones gransI feu clic a Opcions d'alimentació, com es mostra.

go to the Power Options and click on it

3. Aquí, feu clic a Canvia la configuració del pla in your currently selected plan section.

seleccioneu Canvia la configuració del pla.

4. A la Edita la configuració del pla finestra, seleccioneu Canvieu la configuració d'energia avançada opció.

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

5. Ara, feu doble clic Configuració USB per ampliar-lo.

Feu doble clic a l'opció de configuració d'usb a la finestra Canvia la configuració avançada d'energia

6. Un cop més, feu doble clic Configuració de suspensió selectiva USB per ampliar-lo.

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

7. Aquí, feu clic a Amb bateria i canvieu la configuració a Discapacitat from the drop-down list, as illustrated.

seleccioneu a la configuració de la bateria desactivada a la configuració de supressió selectiva d'usb a la configuració d'usb a la finestra Canvia la configuració avançada d'energia

8. Ara feu clic a Endollat i canvieu la configuració a Discapacitat aquí també.

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

9. Finalment, feu clic a Aplicar > D'acord to save these changes. Restart your PC and check if the issue is solved now.

Mètode 8: desactiveu l'inici ràpid

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. Aneu a la Control Panel > Power Options tal com s'il·lustra a Mètode 7.

2. Aquí, feu clic a Trieu el que fan els botons d'alimentació option in the left bar.

In the Power Options window, select the Choose what the power button does option, as highlighted below. Fix Unknown USB Device Descriptor Request Failed in Windows 10

3. Ara, seleccioneu Canvieu la configuració que actualment no estigui disponible opció.

Feu clic a Canvia la configuració que actualment no està disponible

4. Next, uncheck the box Activa l'inici ràpid (recomanat) i feu clic a sobre Save changes com es mostra a continuació.

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. Finalment, reprendre el teu ordinador amb Windows.

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Mètode 9: actualitzeu Windows

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

1. Escriviu Buscar actualitzacions al Barra de cerca de Windows and clic obert.

Escriviu Cerca actualitzacions a la barra de cerca i feu clic a Obre. La sol·licitud de descriptor de dispositiu USB desconegut ha fallat a Windows 10

2. Ara, feu clic a Buscar actualitzacions botó.

select Check for Updates from the right panel.

3A. Follow the instruccions en pantalla per descarregar i instal·lar l'última actualització disponible.

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

3B. Si el vostre sistema ja està actualitzat, es mostrarà Estàs al dia missatge

actualització de Windows, estàs actualitzat el missatge

4. Reinicia your system and check if the issue is resolved now.

Mètode 10: actualitzeu la 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.

Consell professional: Use the given links to Download Latest BIOS Version for Lenovo, Dell & HP ordinadors portàtils.

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We hope that you could learn com 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.