Oktober 23, 2021

in vinduer by Admin

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 Ukendt USB-enhed (Device Descriptor Request mislykket) med en gul trekant med et udråbstegn. 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.

Ret anmodning om enhedsbeskrivelse mislykkedes (ukendt USB-enhed)

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:

Anmodning om enhedsbeskrivelse mislykkedes
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Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.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 er ikke opdateret: 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!

Metode 1: Grundlæggende fejlfinding

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

2. Moreover, ensure enough space for ordentlig ventilation 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. Hvis problemet skyldes strømforsyningen, så prøv genindsætte USB-enheden efter at have taget stikket ud af den bærbare computer fra strømforsyningen.

2. Tilslut en anden USB-enhed with the same USB port and check if there is an issue with the port.

3. Sæt USB-enheden i en anden havn for at udelukke problemer med USB-portene.

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. Afbryd USB-enheden.

2. Genstart din Windows-pc.

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

3. Tilslut the USB device and check if it worked or not.

Metode 2: Kør Windows Fejlfinding

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. Trykke Windows + R nøgler samtidig for at starte Kør dialog boks.

2. Type msdt.exe -id DeviceDiagnostic og klik på OK, som vist.

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

3. Klik her på Avanceret mulighed, som fremhævet nedenfor.

klik på Avanceret indstilling i Hardware and Devices Troubleshooter

4. Marker afkrydsningsfeltet Anvend reparationer automatisk og klik på Næste.

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

5. Once the process is completed, genstart din pc and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1. Fra proceslinjen, højreklik på USB Device icon.

2. Vælg Open Devices and Printers mulighed, som vist.

3. Højreklik på USB-enhed (f.eks Cruzer Blade) og vælg Fejlfinding, som fremhævet nedenfor.

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. Windows Fejlfinding will automatically detect problems and fix these as well.

Windows fejlfinding opdager problemer

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

Læs også: Fix USB device not recognized by Windows 10

Metode 3: Opdater USB-drivere

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

1. Type enhedshåndtering i Windows-søgelinje og hit Indtast nøgle at starte den.

2. Gå til Universal Serial Bus controllere section and expand it with a double-click.

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

3. Højreklik nu på USB driver (f.eks Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) og vælg Opdater driver.

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

4. Klik derefter på Søg automatisk efter drivere.

5A. Your driver will opdatering 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. Klik på Luk to exit the window and Rvære computeren.

7. Gentag 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. Naviger til Device Manager > Universal Serial Bus controllers som forklaret i Metode 3.

2. Højreklik på USB-driveren (f.eks Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) og vælg Ejendomme, som vist nedenfor.

right click on usb driver and select properties

3. i USB Device Properties vindue, skift til Chauffør Fanebladet og vælg Rul tilbage driver.

Bemærk: 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. Vælg Hvorfor ruller du tilbage? from the given list and click on Ja at bekræfte.

select reason to roll back drivers and click Yes

5. After the process is finished, click on OK at anvende denne ændring.

6. Finally, confirm the prompt and genstart dit system for at gøre tilbagerulningen effektiv.

Læs også: Fix Universal Serial Bus (USB) Controller Driver Issue

Metode 5: Geninstaller USB-drivere

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. Gå til Enhedshåndtering> Universal Serial Bus controllere, using the steps mentioned in Metode 3.

2. Højreklik på Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) og vælg Afinstaller enhed, som vist.

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

3. Klik nu på Afinstaller og genstart din pc.

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. Naviger til Enhedshåndtering som vist i Metode 3.

2. Here, double-click on Brugerstyrede inputenheder at udvide den.

double click on the Human Interface Devices.

3. Højreklik på USB Indgangsudstyr og vælg Egenskaber.

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 Power Management tab and uncheck the box titled Tillad computeren at slukke denne enhed for at spare strøm.

5. Til sidst skal du klikke på OK , genstart dit system.

Læs også: Fix USB bliver ved med at afbryde og tilslutte igen

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. Type kontrol Panel i Windows-søgelinje og klik Åbne.

2. Vælg Vis efter > Store ikoner, Og klik derefter på Strømstyring, som vist.

go to the Power Options and click on it

3. Klik her Skift indstillinger in your currently selected plan section.

vælg Skift planindstillinger.

4. i Rediger planindstillinger vindue, vælg Skift avancerede strømstyringsindstillinger valgmulighed.

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

5. Dobbeltklik nu USB-indstillinger at udvide den.

dobbeltklik på USB-indstillinger i vinduet Skift avancerede strømindstillinger

6. Dobbeltklik igen USB-selektiv suspension-indstilling at udvide den.

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

7. Klik her På batteri og ændre indstillingen til handicappet from the drop-down list, as illustrated.

vælg om batteriindstillinger skal deaktiveres i usb-selektive suppend-indstillinger i usb-indstillinger i vinduet Skift avancerede strømindstillinger

8. Klik nu på Tilsluttet og ændre indstillingen til handicappet her også.

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

9. Til sidst skal du klikke på Indløs > OK to save these changes. Restart your PC and check if the issue is solved now.

Metode 8: Slå Hurtig opstart fra

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. Gå til Kontrolpanel > Strømstyring som illustreret i Metode 7.

2. Klik her Vælg hvad strømknapper gøre i venstre bjælke.

3. Vælg nu Rediger indstillinger, der i øjeblikket ikke tilgængelig valgmulighed.

Klik på Skift indstillinger, der i øjeblikket ikke er tilgængelige

4. Next, uncheck the box Tænd hurtig opstart (anbefales) og klik derefter på Gem ændringer som vist nedenfor.

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. Endelig genstart din Windows-pc.

Læs også: Fix USB Device not Recognized Error Code 43

Metode 9: Opdater Windows

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

1. Type Søg efter opdateringer i Windows-søgelinje og klik Åbne.

2. Klik nu på Søg efter opdateringer .

select Check for Updates from the right panel.

3A. Follow the instruktioner på skærmen for at downloade og installere den seneste tilgængelige opdatering.

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

3B. Hvis dit system allerede er opdateret, vises det Du er opdateret besked.

windows update du er opdateret besked

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

Metode 10: Opdater 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.

Pro Tip: Use the given links to Download Latest BIOS Version for Lenovo, Dell & HP bærbare computere.

Anbefalet:

We hope that you could learn hvordan 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.