Troubleshooting 'Device Descriptor Request Failed - Unknown USB Device' in Windows 10

Have you encountered the 'Device Descriptor Request Failed - Unknown USB Device' error in Windows 10? This error can be frustrating, but with the right steps, you can often resolve the issue and get your USB device working again. This article will guide you through various troubleshooting methods to help you fix the problem.

1. Reconnect the USB Device

The first step to take is to unplug the USB device from the port and wait a few seconds. Then, plug it back in. Sometimes, simply reinserting the USB device can solve the issue. Additionally, try a different USB port on your computer. This can help eliminate any issues with the current port.

2. Check the USB Device on Another Computer

Another useful step is to connect the USB device to another computer to see if it works there. By doing this, you can determine if the issue is with the device or your computer. This can help narrow down the problem and provide guidance on where to focus your troubleshooting efforts.

3. Update USB Drivers

Step 1: Open Device Manager.

Step 2: Locate the Universal Serial Bus Controllers section.

Step 3: Right-click on each USB device and select Update driver.

Step 4: Choose Search automatically for updated driver software to ensure you have the latest drivers installed.

4. Uninstall and Reinstall USB Controllers

Step 1: Open Device Manager as described above.

Step 2: Uninstall each entry under the Universal Serial Bus controllers section by right-clicking and selecting Uninstall device.

Step 3: Restart your computer. Windows will automatically reinstall the USB controllers upon reboot.

5. Disable USB Selective Suspend Setting

Step 1: Open Control Panel. Search for Control Panel in the Start menu.

Step 2: Go to Hardware and Sound, then click on Power Options.

Step 3: Click on Change plan settings for your selected power plan.

Step 4: Click on Change advanced power settings.

Step 5: Expand USB settings then USB selective suspend setting and set it to Disabled.

6. Check for Windows Updates

Sometimes, the issue can be due to outdated system files. Make sure your Windows 10 is up to date. Navigate to Settings, then Update Security, and check for updates.

7. Run Hardware and Devices Troubleshooter

Step 1: Open Settings and click on the Start menu, then select Settings.

Step 2: Go to Update Security.

Step 3: Click on Troubleshoot.

Step 4: Run the Hardware and Devices troubleshooter.

8. Check for Physical Damage

Inspect the USB device and ports for any physical damage. Dust or debris can also cause connection issues. Make sure the device and ports are clean and in good condition.

9. Try a Different Cable if Applicable

If your USB device uses a detachable cable, try using a different cable to rule out a faulty one. Sometimes, a damaged cable can cause the 'Device Descriptor Request Failed' error.

10. Reset BIOS Settings

As a last resort, you can try resetting your BIOS settings to default. This can affect other settings on your computer, so proceed with caution.

Conclusion

If none of these solutions work, the USB device might be faulty and may need to be replaced. If the issue persists with multiple devices, there may be a hardware issue with your computer's USB ports. Don't forget to back up your data before making any significant changes to your system.