Hello, where can I find the Driver for my Dell Latitude E5470 Windows 10 Driver for this unknown Device: ACPI DELLABC6 2&DABA3FF&1. Connect your device which is not being recognized by Windows. You will see an Unknown USB device (Device Descriptor Request Failed) with the yellow sign in Universal Serial Bus controllers. Now right-click on it and click Uninstall to remove them. Restart your PC and the drivers. In this video, we're going to show you how to fix Unknown USB Device (Device Descriptor Request Failed) Error. We can solve the problem by reinstalling the U.

Dec 16, 2020 • Filed to: USB Recovery • Proven solutions

Computers have become quite unavoidable. Almost every career or work would require you to use a computer. So it is important to have basic knowledge about using a computer. But since there are a countless number of things to learn as far as a computer is concerned, there would be numerous times when an error would pop up. This would slow you down. So make sure that you use the internet to learn about the error. Solutions would also be available on the net. One of the most common errors in the Unknown USB device error. This article would help you out when it comes to solving the issue.

What is the error? (OVERVIEW)

If the error persists, then your USB device would not be recognized by Windows 10. When and if you open the device manager, then you would receive an Unknown USD device(usb device_descriptor_failure) along with the other bus controllers' names. A yellow triangle would be shown along with the error.

How to fix the usb device_descriptor_failure windows 10 error?

There are two basic troubleshooting methods:

There are chances for the device to be damaged and hence making changes with a computer wouldn't help at all. Hence the first thing to do is to try whether the device works in a different port on the same computer. If the computer has a broken port then the device would work with the other port.
Now if the device doesn't work on any of the ports on the computer, then the next step would be to try the device on a different computer. This would help you ensure that the problem is with the external device. If this is the case, then repairing or replacing the device is the only option.

The detailed steps to follow for solving the problem:

Solution 1: REPLUG THE POWER SUPPLY:

remove the power supply from the computer and then restart the computer. Once this is done, insert the device for one more time. Then insert the power supply. If the problem is related to some sort of background program or something related to a software that has been used, then the device would get detected perfectly.

Solution 2: REINSTALLING USB DRIVER:

Unknown Usb Device Driver Windows 10 Download Version

The next step would be to uninstall the USB device driver. Open the device manager and then right-click on the name of the error. This would bring up an uninstall option. Click on this option and the device driver would be uninstalled from the computer. Now that the driver is not present in the computer, restart the computer. When the computer boots up, the computer would reinstall the driver on its own.

Solution 3: DISABLE THE FAST STARTUP OPTION:

1. Press the Windows key and the letter R together.

2. Type 'control' in the Run dialog box that appears. The Control panel will show up.

3. Choose the power options.

4. Click on 'Choose what the power buttons do'.

5. Click the option chance settings that are currently unavailable'.

6. Uncheck the box right next to the Turn on fast startup. Save the changes that you just made.

Solution 4: CHANGING THE USB SELECTIVE SUSPEND SETTINGS:

Follow the previous steps up to open the control panel.

1. Click power options and choose the option 'Show additional plans'.

2. Click on 'change settings that are currently unavailable'.

3. Choose the high performance and then click the 'change plan settings'.

4. Choose 'Change advanced power settings'.

5. Click 'change settings that are currently unavailable'

6. Locate the USB settings and click on it. Expand the USB Selective suspend settings. Disable On battery and plugged in.

Ensure that you apply the settings. The settings would only come into effect after the computer is restarted.

Solution 5: Keeping the Drivers Up to Date Would Also Help

when it comes to solving the driver issue, updating the driver software is the most effective solution. This can be done manually from the device manager. But if you find this difficult, there are numerous application software that can be used to ensure that drivers are always kept updated. One such software is Driver Easy. Once Driver Easy is installed, scan your PC using the software. It would find out all the drivers existing on the computer. It would also check whether all the drivers are updated or not. Once the scan is complete, click the drivers that are flagged. Click the update icon, this would update the driver quite easily. Also, there would be an option 'update all'. This would be useful if you want to update all the drivers on the computer without any effort. Also, the software would notify you if a new update is available for the drivers on your computer.

Update Usb Drivers Windows 10 Free Download

CONCLUSION:

Unknown USB device error is a very common error. Make sure that you follow all the steps given above carefully. If the problem persists, even after these steps then it would be wise to consult an expert. If your data get lost unfortunately, we sincerely recommend you try Wondershare Recoverit to recover lost data from broken USB drive.

Check Out How to Recover Lost Files During the Repair

USB Topic

Recover USB Drive
Format USB Drive
Fix/Repair USB Drive
Know USB Drive