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) le triantan buidhe le comharra exclamation. 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:

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• Outdated USB Drivers: If the current drivers in your Windows PC are incompatible or outdated with the system files, then you may face this error.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

Dòigh 1: Fuasgladh dhuilgheadasan bunaiteach

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

2. Moreover, ensure enough space for fionnarachadh ceart 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. Ma tha an cuspair air adhbhrachadh leis an t-solar cumhachd, an uairsin feuchainn ath-chuir a-steach an inneal USB às deidh dhut an laptop a thoirt air falbh bhon t-solar cumhachd.

2. Ceangail inneal USB eile with the same USB port and check if there is an issue with the port.

3. Plug an inneal USB a-steach a port eadar-dhealaichte gus cur às do chùisean le puirt USB.

Method 1C: Restart Windows PC

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

1. Fuasgladh an inneal USB.

2. Ath-thòisich Windows PC agad.

3.  Reconnect 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. Brùth Windows + R. iuchraichean aig an aon àm gus am faidhle a chuir air bhog Run bogsa còmhraidh.

2. Seòrsa msdt.exe -id DeviceDiagnosis agus briog air a ' OK, mar a chithear.

3. Here click on the adhartach roghainn, mar a chithear gu h-ìosal.

4. Thoir sùil air a 'bhogsa comharraichte Cuir càradh a-steach gu fèin-ghluasadach agus briog air a ' An ath-.

5. Once the process is completed, ath-thòisich do choimpiutair and check if USB is being recognized now.

Option 2: Troubleshoot Malfunctioning USB Device

1. Bho na Bàr-tasg, cliog deas air an USB Device icon.

2. Tagh an Open Devices and Printers roghainn, mar a chithear.

3. Dèan briogadh deas air Inneal USB (me Blade Cruzer) agus tagh Troubleshoot, mar a chithear gu h-ìosal.

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

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

Cuideachd Leugh: Fix USB device not recognized by Windows 10

Dòigh 3: Ùraich draibhearan USB

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

1. Seòrsa manaidsear an uidheim Anns a’ Bàr sgrùdaidh Windows agus bhuail e Cuir a-steach iuchair airson a chuir air bhog.

2. Rach gun Riaghladairean Bus Serialil Uile-choitcheann section and expand it with a double-click.

3. A-nis, deas-cliog air USB dràibhear (me Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) agus tagh Ùraich an dràibhear.

4. An ath rud, cliog air Lorg gu fèin-obrachail airson draibhearan. 

5A. Your driver will -ùrachadh 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. Cliog air Dùin to exit the window and Rbhith an coimpiutair.

7. Dèan aithris a-rithist 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. Seòl gu Device Manager > Universal Serial Bus controllers mar a tha air a mhìneachadh ann an Dòigh 3.

2. Dèan briogadh deas air Driver USB (me Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft)) agus tagh Properties, mar a chithear gu h-ìosal.

3. Anns a USB Device Properties uinneag, tionndaidh chun Driver tab agus tagh Roll air ais driver.

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.

4. Tagh Why are you rolling back? from the given list and click on Tha gus dearbhadh.

5. After the process is finished, click on OK gus an t-atharrachadh seo a chur an sàs.

6. Finally, confirm the prompt and ath-thòisich an siostam agad gus an ro-aithris a dhèanamh èifeachdach.

Cuideachd Leugh: Fix Universal Serial Bus (USB) Controller Driver Issue

Dòigh 5: Ath-stàlaich draibhearan 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. Rach gu Manaidsear inneal> Riaghladairean Bus Serialil Uile-choitcheann, using the steps mentioned in Dòigh 3.

2. Dèan briogadh deas air Intel(R) USB 3.0 eXtensible Host Controller – 1.0 (Microsoft) agus tagh Inneal dì-stàlaidh, mar a chithear.

3. A-nis, brùth air dì-stàlaich agus ath-thòiseachadh do 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. Seòl chun an Neach-stiùiridh mar a chithear ann an Dòigh 3.

2. Here, double-click on Innealan eadar-aghaidh daonna gus a leudachadh.

3. Dèan briogadh deas air an Inneal cuir a-steach USB agus tagh Feartan.

4. Here, switch to the Stiùireadh cumhachd tab and uncheck the box titled Leig leis a’ choimpiutair an inneal seo a chuir dheth gus cumhachd a shàbhaladh.

5. Mu dheireadh, cliog air OK agus ath-thòisich an siostam agad.

Cuideachd Leugh: Fix USB a ’cumail dì-cheangal agus ath-cheangal

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. Seòrsa Control pannal Anns a’ Bàr sgrùdaidh Windows agus briog air Open.

2. Tagh Sealladh le> Ìomhaighean mòra, agus an uair sin cliog Roghainnean Cumhachd, mar a chithear.

3. An seo, cliog air Atharraich roghainnean a 'phlana in your currently selected plan section.

4. Anns a Deasaich roghainnean a’ phlana uinneag, tagh Atharraich roghainnean cumhachd adhartach roghainn.

5. A-nis, dèan briogadh dùbailte Roghainnean USB gus a leudachadh.

6. A-rithist, dèan briogadh dùbailte Suidheachadh crochte USB roghnach gus a leudachadh.

7. An seo, cliog air Air bathar agus atharraich an suidheachadh gu Ciorramaich from the drop-down list, as illustrated.

8. A-nis, brùth air Ceanglaichean a-steach agus atharraich an suidheachadh gu Ciorramaich an seo cuideachd.

9. Mu dheireadh, cliog air Cuir a-steach > Ceart gu leòr to save these changes. Restart your PC and check if the issue is solved now.

Dòigh 8: Cuir dheth Fast Startup

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. Rach gun Control Panel > Power Options mar a chithear ann an Dòigh 7.

2. An seo, cliog air Tagh dè na putanan cumhachd a nì thu option in the left bar.

3. A-nis, tagh an Atharraich roghainnean nach eil rim faighinn an-dràsta roghainn.

4. Next, uncheck the box Tionndaidh air adhart gu luath (air a mholadh) agus an uair sin cliog air Sàbhail atharrachaidhean mar a chithear gu h-ìosal.

5. Mu dheireadh, ath-thòisich Windows PC agad.

Cuideachd Leugh: Fix USB Device not Recognized Error Code 43

Dòigh 9: Ùraich Windows

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

1. Seòrsa Dèan cinnteach airson ùrachaidhean Anns a’ Bàr sgrùdaidh Windows agus briog air Open.

2. A-nis, cliog air an Dèan cinnteach airson ùrachaidhean putan.

3A. Lean an stiùireadh air-sgrion gus an ùrachadh as ùire a tha ri fhaighinn a luchdachadh sìos agus a stàladh.

3B. Ma tha an siostam agad ùraichte mu thràth, seallaidh e Tha thu air ùrachadh teachdaireachd.

4. Ath-thòisich your system and check if the issue is resolved now.

Dòigh 10: Ùraich 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 coimpiutairean glùine.

Air a mholadh:

Tha sinn an dòchas gun ionnsaich thu ciamar a 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.