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) með gulur þríhyrningur með upphrópunarmerki. 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:

• 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• Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.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!

Aðferð 1: Grunn bilanaleit

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

2. Moreover, ensure enough space for rétta loftræstingu 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. Ef málið stafar af aflgjafanum, þá reyna að setja USB-tækið í aftur eftir að hafa tekið fartölvuna úr sambandi frá aflgjafa.

2. Tengdu annað USB-tæki with the same USB port and check if there is an issue with the port.

3. Tengdu USB tækið í a mismunandi höfn til að útiloka vandamál með USB tengi.

Method 1C: Restart Windows PC

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

1. aftengja USB tækið.

2. Endurræsa Windows tölvuna þína.

3.  Tengdu aftur 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. Ýttu á Windows +R lyklar samtímis til að hleypa af stokkunum Hlaupa valmynd.

2. Gerð msdt.exe -id DeviceDiagnostic og smelltu á OK, eins og sýnt er.

3. Here click on the Ítarlegri valmöguleika, eins og lýst er hér að neðan.

4. Hakaðu í reitinn merktan Notaðu viðgerðir sjálfkrafa og smelltu á Næstu.

5. Once the process is completed, endurræstu tölvuna and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1. Frá Verkefnastika, hægrismelltu á USB Device icon.

2. Veldu Open Devices and Printers valmöguleika, eins og sýnt er.

3. Hægri smelltu á USB tæki (td Cruzer Blade) og veldu leysa, eins og fram kemur hér að neðan.

4. Windows bilanaleit will automatically detect problems and fix these as well.

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

Einnig lesið: Lagaðu USB tæki sem Windows 10 þekkir ekki

Aðferð 3: Uppfærðu USB rekla

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

1. Gerð tækjastjórnun í Windows leitarstikan og högg Sláðu inn lykilinn að ræsa það.

2. Fara í Universal Serial Bus stýringar section and expand it with a double-click.

3. Nú, hægrismelltu á USB bílstjóri (td Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) og veldu Uppfærðu bílstjóri.

4. Smelltu næst á Leitaðu sjálfkrafa að ökumönnum. 

5A. Your driver will uppfærsla 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. Smelltu á Loka to exit the window and Restart tölvan.

7. Endurtaka 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. Sigla til Device Manager > Universal Serial Bus controllers eins og útskýrt er í Aðferð 3.

2. Hægri smelltu á USB bílstjóri (td Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) og veldu Eiginleikar, eins og sýnt er hér að neðan.

3. Í USB Device Properties glugga, skipt yfir í Bílstjóri Flipann og veldu Rúlla aftur bílstjóri.

Athugaðu: 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. Veldu Why are you rolling back? from the given list and click on Já að staðfesta.

5. After the process is finished, click on OK að beita þessari breytingu.

6. Finally, confirm the prompt and endurræsa kerfið þitt til að gera afturköllunina skilvirka.

Einnig lesið: 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. Fara til Tækjastjórnun> Universal Serial Bus stýringar, using the steps mentioned in Aðferð 3.

2. Hægri smelltu á Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) og velja Uninstall tæki, eins og sýnt er.

3. Nú skaltu smella á Uninstall og endurræstu tölvuna þína.

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. Flettu að Tækjastjórnun eins og sést á Aðferð 3.

2. Here, double-click on Mannleg viðmótstæki að stækka það.

3. Hægri smelltu á USB inntakstæki og velja Eiginleikar.

4. Here, switch to the Power Management tab and uncheck the box titled Leyfðu tölvunni að slökkva á þessu tæki til að spara orku.

5. Að lokum, smelltu á OK og endurræsa kerfið þitt.

Einnig lesið: Festa USB heldur áfram að aftengjast og tengjast aftur

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. Gerð Stjórna Panel í Windows leitarstikan og smelltu Opna.

2. Veldu Skoða eftir > Stórum táknum, og smelltu síðan á Power Options, eins og sýnt er.

3. Hér, smelltu á Breyta áætluninni in your currently selected plan section.

4. Í Breyta áætlunarstillingum gluggi, veldu Breyta háþróaða orkusparnaði valkostur.

5. Nú, tvísmelltu USB stillingar að stækka það.

6. Enn og aftur, tvísmelltu USB sértæk stöðvunarstilling að stækka það.

7. Hér, smelltu á Á rafhlöðu og breyttu stillingunni í Fatlaðir from the drop-down list, as illustrated.

8. Nú skaltu smella á Tengt inn og breyttu stillingunni í Fatlaðir hér líka.

9. Að lokum, smelltu á gilda > Í lagi to save these changes. Restart your PC and check if the issue is solved now.

Aðferð 8: Slökktu á hraðri ræsingu

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. Fara í Stjórnborð> Rafmöguleikar eins og sýnt er í Aðferð 7.

2. Hér, smelltu á Veldu hvað máttur hnappar gera option in the left bar.

3. Nú skaltu velja Breyttu stillingum sem eru ekki tiltækar valkostur.

4. Next, uncheck the box Kveiktu á hraðvirkni (mælt með) og smelltu síðan á Vista breytingar eins og sýnt er hér að neðan.

5. Að lokum, endurræsa Windows tölvuna þína.

Einnig lesið: Fix USB Device not Recognized Error Code 43

Aðferð 9: Uppfærðu Windows

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

1. Gerð Athugaðu með uppfærslur í Windows leitarstikan og smelltu Opna.

2. Nú, smelltu á Athugaðu með uppfærslur hnappinn.

3A. Fylgdu leiðbeiningar á skjánum til að hlaða niður og setja upp nýjustu uppfærsluna sem til er.

3B. Ef kerfið þitt er þegar uppfært, þá mun það birtast Þú ert uppfærður skilaboð.

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

Aðferð 10: Uppfærðu 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 Ábending: Use the given links to Download Latest BIOS Version for Lenovo, Dell & HP fartölvur.

Mælt með:

We hope that you could learn hvernig á að 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.