Reparar dispositivo USB desconocido en Windows 10 (falló la solicitud del descriptor de dispositivo)

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 Descriptor de dispositivo USB 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 Dispositivo USB desconocido (Falló la solicitud del descriptor del dispositivo) con un triángulo amarillo con un signo de exclamación. 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.

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:

• Solicitud de descriptor de dispositivo fallida
• 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• Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.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 no esta actualizado: 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!

Método 1: solución de problemas básicos

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

2. Moreover, ensure enough space for Ventilación adecuada of your desktop/laptop, as shown.

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 es causado por la fuente de alimentación, entonces try volver a insertar el dispositivo USB después de desconectar la computadora portátil de la fuente de alimentación.

2. Conecte otro dispositivo USB with the same USB port and check if there is an issue with the port.

3. Conecte el dispositivo USB a un puerto diferente para descartar problemas con los puertos USB.

Method 1C: Restart Windows PC

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

1. Desconectar el dispositivo USB.

2. Reanudar su PC con Windows.

3.  Vuelva a conectar the USB device and check if it worked or not.

Método 2: Ejecute el Solucionador de problemas de Windows

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. Prensa Windows + R claves simultáneamente para lanzar el Ejecutar caja de diálogo.

2. Escribe msdt.exe -id Diagnóstico del dispositivo y haga clic en OK, como se muestra.

3. Aquí haga clic en el Avanzado opción, como se destaca a continuación.

4. Marque la casilla marcada Aplicar reparaciones automáticamente y haga clic en Siguiente.

5. Una vez completado el proceso, reinicia tu PC and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1. Desde Barra de tareas, haga clic derecho en el USB Device icon.

2. Seleccione Open Devices and Printers opción, como se muestra.

3. Haga clic derecho en Dispositivo USB (p.ej hoja cruzada) y seleccione Solucionar problemas, como se destaca a continuación.

4. Solucionador de problemas de Windows will automatically detect problems and fix these as well.

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

Lea también Fix USB device not recognized by Windows 10

Método 3: actualizar los controladores USB

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

1. Escribe administrador de dispositivos existentes Barra de busqueda de windows y golpear Introducir clave para lanzarlo.

2. Vaya a la Controladores de bus serie universal section and expand it with a double-click.

3. Ahora, haga clic derecho en USB conductor (p.ej Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) y seleccione Actualizar controlador.

4. A continuación, haga clic en Busque automáticamente los controladores. 

5A. Your driver will actualización 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. Hacer clic en Cerrar to exit the window and Rcomenzar el ordenador.

7. Repetición: 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. Navegar a Device Manager > Universal Serial Bus controllers como se explica en Método 3.

2. Haga clic derecho en Controlador USB (p.ej Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) y seleccione Propiedades, como se muestra a continuación.

3. En el USB Device Properties ventana, cambie a la Destornillador pestaña y seleccione Conductor retroceder.

Note: 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.

4. Seleccionar ¿Por qué estás retrocediendo? from the given list and click on Sí para confirmar.

5. After the process is finished, click on OK para aplicar este cambio.

6. Finally, confirm the prompt and reanudar su sistema para que la reversión sea efectiva.

Lea también Fix Universal Serial Bus (USB) Controller Driver Issue

Método 5: reinstalar los controladores USB

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. Ir Administrador de dispositivos> Controladores de bus serie universal, using the steps mentioned in Método 3.

2. Haga clic derecho en Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) y seleccionar Desinstalar dispositivo, como se muestra.

3. Ahora, haga clic en Desinstalar y reinicia tu PC.

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

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. Navegue hasta el Administrador de dispositivos como se muestra en Método 3.

2. Here, double-click on Dispositivos de interfaz humana para ampliarlo.

3. Haga clic derecho en el Dispositivo de entrada USB y seleccionar Propiedades.

4. Aquí, cambie al Administración de energía tab and uncheck the box titled Permita que la computadora apague este dispositivo para ahorrar energía.

5. Finalmente, haga clic en OK y reanudar tu sistema.

Lea también Reparar USB sigue desconectándose y reconectándose

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. Escribe Control Panel existentes Barra de busqueda de windows y haga clic Abierto.

2. Seleccionar Ver por > Iconos grandesY haga clic en Opciones de energía, como se muestra.

3. Aquí, haga clic en Cambiar la configuración del plan in your currently selected plan section.

4. En el Editar la configuración del plan ventana, seleccionar Cambiar la configuración avanzada de energía .

5. Ahora, haz doble clic Ajustes USB para ampliarlo.

6. Una vez más, haga doble clic Configuración de suspensión selectiva USB para ampliarlo.

7. Aquí, haga clic en en la batería y cambie la configuración a Discapacitado from the drop-down list, as illustrated.

8. Ahora, haga clic en enchufado y cambie la configuración a Discapacitado aquí también.

9. Finalmente, haga clic en Aplicá > OK to save these changes. Restart your PC and check if the issue is solved now.

Método 8: desactivar el inicio rápido

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. Vaya a la Panel de control> Opciones de energía como se ilustra en Método 7.

2. Aquí, haga clic en Elija lo que hacen los botones de encendido opción en la barra izquierda.

3. Ahora, seleccione el Eso tiene Cambiar la configuración no disponibles actualmente .

4. Next, uncheck the box Activar el inicio rápido (recomendado) y luego haga clic en Guardar los cambios como se muestra a continuación.

5. Finalmente, reanudar su PC con Windows.

Lea también Fix USB Device not Recognized Error Code 43

Método 9: actualizar Windows

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

1. Escribe Buscar actualizaciones existentes Barra de busqueda de windows y haga clic Abierto.

2. Ahora, haga clic en el Buscar actualizaciones del botón.

3A. Follow the instrucciones en pantalla para descargar e instalar la última actualización disponible.

3B. Si su sistema ya está actualizado, mostrará estás al día mensaje.

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

Método 10: Actualizar 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.

Consejo profesional: Use the given links to Download Latest BIOS Version for Lenovo, Dell & HP computadoras portátiles

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We hope that you could learn cómo 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.