How to Solve Device Descriptor Request Failed – Code 43 on Windows PC

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If you’re seeing the Device Descriptor Request failed error on your computer, it might be due to a virus infection. There are many reasons why you’ll see the “Unknown USB Device” error message on your PC. But don’t worry, we’ve got some tips that will help you fix it.

The first thing you want to do is check whether your device is plugged into the correct port. You can find out what ports you have by looking up your motherboard manual. Then, double-check that your device is turned on. If it’s still showing up as unknown, try restarting your computer.

You can also try unplugging and reinserting the device. And finally, if none of those work, you can always reboot your system.

What caused the device descriptor request failed with error code 43?

Here we list some reasons why unknown USB device descriptor requested failure happens:

Windows cannot find the description of the USB device in question. The USB device that reports this error code 43 cannot usually communicate with the computer because there might be a problem with the connection. This could happen due to a faulty cable, incorrect driver installation, or a malfunctioning USB port.

A corrupt or damaged USB controller or driver or a broken USB port are possible causes. If the device uses corrupted, damaged, or outdated software or hardware components, it can cause this error.

Fast Startup should be turned off

Fast startup mode is a Windows feature that allows your computer to boot up faster. If you are running Windows 10 Home, fast startup is turned on by default. However, it is possible to disable fast startup on Windows 10 Pro and Enterprise editions. To do this, follow the steps given below:

1. Open the Settings app.

2. Select Change what the power buttons do.

3. Uncheck Turn on fast startup.

4. Restart your device.

5. After restarting, open Control Panel again and check whether a fast startup is disabled.

6. You can now use the Power button to shut down your device without waiting for the automatic shutdown timer.



Updated: November 2024

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Remove the USB Root Hub Drivers

USB Root Hub Driver is one of the most dangerous software programs ever. It works like a virus, and it infects every Windows PC without asking permission. Every day, millions of people are getting infected by this malicious program. If you want to uninstall the USB Root Hub Driver, read this article carefully.

1. Click the Start button and type cmd into the Search box. Press Enter key to open Command Prompt window.

2. Type “cd\unins000.exe /?” and press Enter key to launch the command prompt.

3. Type “exit.” Then press Enter key to exit the command prompt.

Note: Please make sure you don’t run any other commands before exiting the command prompt. Otherwise, you might get some unexpected problems.

4. Go back to the desktop and double-click on the icon named “usbroothub_driver.sys”. A pop-up window will ask you whether you want to delete the file. Select the Yes option.

5. After deleting the usbroothhub_driver.sys file, reboot your computer again.

Install the latest USB drivers for your device

If you are facing a code 43 error while connecting your USB device, it is necessary to update its drivers. This article explains how to fix the problem.

1. First, you need to open Windows Device Manager.

2. After opening the Device Manager, you will see the list of hardware devices installed on your PC. Select the one which is causing the issue.

3. Right-click on the selected hardware device and select Properties.

4. In the properties window, you will see the tab named Details. Click on the Driver section and scroll down to the bottom.

5. Here, you will see a button named Update Driver Software. Click on it and follow the instructions.

6. Once the installation completes, restart your computer and check whether the issue persists. If yes, then you can proceed further. Otherwise, you need to repeat the process.

Launch the hardware and devices troubleshooter

Windows 10 has been around for quite some time now, and there are many people out there who still use it. However, some prefer to stick to older versions like 7, 8, or even XP. If you find yourself stuck with one of these OSes, here’s how you can fix the error code 43.

1. First, you need to open the Troubleshooter on your PC. To do this, type troubleshooter in the search bar and hit Enter.

2. When the Troubleshooting window opens up, go ahead and choose Hardware and Devices.

3. Click on Apply this Fix or apply repair automatically, depending on what option appears on your screen. You can also try clicking on the “Fix problems immediately” button.

4. After doing that, close the window and restart your machine.

5. Restarting your computer might take a while, but once done, you’ll see that the problem has been resolved.

The power supply needs to be reinserted

The following steps are intended to solve the problem of the USB Error Code 43 on Windows 10. This article explains how to fix it. If you encounter problems while reading this guide, please contact us via the comments section. We will try our best to help you out.

1. First, you must identify whether the error occurs during startup or shutdown.

2. If it happens during startup, press F8 repeatedly to enter the BIOS settings.

3. Press Delete to select Safe Mode.

4. When prompted, type Y to confirm.

5. Restart your PC normally.

6. Check the USB error code 43 once again.



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Frequently Asked Questions

  1. Reboot your computer.
  2. Connect the USB port to a different port.
  3. Try another computer.
  4. Unplug the AC adapter.
  5. Follow the hardware and device troubleshooting procedure.
  6. Disable the Quick Start option.
  7. Reinstall the universal serial bus controllers.

  1. Disconnect the USB storage device.
  2. Shut down the system.
  3. Allow the system to rest for at least 5-10 minutes.
  4. Restart the system.
  5. Reconnect the USB storage device.

A USB device descriptor failure problem is usually due to problematic USB drivers, for example, your computer's USB drivers may be outdated, damaged, missing, or defective. So you can try updating your USB driver to fix the problem.