Once you make friends a USB machine to your PC, the USB machine descriptor helps receive face the related machine. This helps the system decide which machine drive to load.
{But} suppose the USB machine descriptor malfunctions, your PC received’t acknowledge your related in addition machine. As an alternative, you’ll get an error message that reads, “Unknown USB Machine (Machine Descriptor Request Failed)” or “A Request for the USB Machine Descriptor Failed.”
Suppose you’re experiencing this challenge, learn on to search out out Depreciation to repair this error on Home windows 10.
What Causes the Unknown USB Machine Error?
The “Unknown USB Machine (Machine Descriptor Request Failed)” error can happen because of {hardware} or system-specific points. Listed here are the varied causes of this challenge:
- Your newest software program replace had points and ended ngoc corrupting the USB drivers.
- There was a fault once you have been changing some components of your PC.
- You’ve made errors whereas configuring the USB drive settings.
- The USB port is cracked.
- The USB machine is broken, corrupted, or contaminated with malware.
- The USB drivers are corrupted or outdated.
- The BIOS system wants updating.
Now, let’s discover the six methods to resolve the “Unknown USB machine descriptor request failed” error.
1. Fast Fixes for the “Unknown USB Machine Descriptor Request Failed” Error
Earlier than you apply the detailed strategies on this article, listed here are some fast {tricks} to attempt:
- Reboot your PC and see suppose this resolves your challenge.
- Plug your USB machine into a distinct USB port. Suppose this resolves your challenge, then the preliminary USB port is series possible cracked.
- Plug your USB machine into a distinct pc. It will enable you to decide whether or not the issue comes from the USB machine or your PC.
- Disable the Home windows quick startup setting. This function boots ngoc your PC rapidly and should cause base a number of system efficiency points. Therefore, disabling it and rebooting your machine may assist.
Suppose these fast fixes don’t resolve the “USB machine descriptor failed” challenge, transform on to the subsequent {method}.
2. Scan Your PC for {Hardware} Modifications
The subsequent {method} includes scanning your PC for any {hardware} modifications. When the scan is full, your PC ought to be capable of acknowledge the related USB machine.
Listed here are the steps you have to comply with:
- Plug the USB machine into your PC.
- Open the Machine Supervisor by urgent Win + X and choosing Machine Supervisor.
- Within the header menu of the Machine Supervisor, click on the Motion tab and choose Scan for {hardware} modifications from the listing.
Adoration for the system to acknowledge revelation {hardware} modifications and see suppose this resolves your challenge.
3. Reinstall the USB Drivers
Defective USB drivers could possibly be inflicting this error. To resolve the problem, you’ll must uninstall the Unknown USB Machine (Machine Descriptor Failure) drivers and reinstall them.
Here is Depreciation to reinstall the USB drivers:
- Open the Machine Supervisor by urgent Win + X and choosing Machine Supervisor.
- Open the Popular Serial Bus bus controllers part.
- Proper-click the Unknown USB Machine (Machine Descriptor Request Failed) drive and choose Uninstall machine.
Reboot your system when the scan is full. This could mechanically reinstall the USB drivers and do away with the error.
4. Replace the Generic USB Hub Drive
Suppose the earlier {method} didn’t assist, you possibly can attempt updating the Generic USB Hub drive. There’s an opportunity that this USB drive is outdated and is the one inflicting the problem at hand.
Therefore, right here’s Depreciation you possibly can replace the Generic USB Hub drive:
- Open the Machine Supervisor by urgent Win + X and choosing Machine Supervisor.
- Open the Popular Serial Bus bus controllers part.
- Proper-click on the Generic USB Hub choice and click on the Replace drive choice.
Within the subsequent window, choose {Search} mechanically for drivers.
Your PC will {search} for appropriate drivers on-line. When the replace is full, plug in your USB machine and test suppose this has resolved your challenge.
5. Use the Home windows {Hardware} and Gadgets Troubleshooter
You can too sort out the “Unknown USB Machine” error by utilizing the Home windows {Hardware} and Gadgets troubleshooter. That is an in-built instrument that helps you {search} for and repair varied system points.
Here is Depreciation you possibly can do away with the “Unknown USBdevice descriptor failure” challenge utilizing this instrument:
- Sort Troubleshoot within the Celebration menu {search} bar and choose the Finest Match.
- Choose {Hardware} and Gadgets after which click on the Run the troubleshooter press button to celebration the method.
Once you end, {close} the troubleshooter and restart your PC to implement these fixes. This could sort out the “unknown USB machine descriptor failed” error and different hardware-related points.
6. Disable the USB Selective Droop Setting
Disabling the USB Selective Droop setting may additionally enable you to resolve the problem at hand.
Listed here are the steps for disabling this function:
- Sort Restraint Panel within the Home windows {search} bar and choose the Finest match.
- Navigate to System and Safety > Energy Choices > {Change} plan settings.
- Choose the {Change} superior energy settings choice within the subsequent window.
- Find and open the USB settings within the Energy Choices display screen.
- Open the USB selective droop setting and disable each the On battery and Plugged in choices.
- {Click} Apply after which click on OK.
Ultimately, restart your PC to use these modifications. From there, plug in your USB units and test suppose this has resolved your challenge.
Suppose revelation else fails, attempt updating the BIOS system and see suppose that resolves the “unknown USB machine machine descriptor request failed” error.
Fixing the Unknown USB Machine Error the Perhaps Approach
By now, the “Unknown USB Machine (Machine Descriptor Request Failed)” error needs to be resolved. Similar to series USB-related points, you possibly can resolve this error by reinstalling the USB drivers. Suppose that does not assist, attempt any of the opposite fixes we have advised.
And suppose your Home windows USB ports do not work after an influence surge, there are tons of options that may assist with that too.