Device Descriptor Request Failed (Code 43) in Windows 10

Error code 43 in Windows 10 is a common issue that can occur for various reasons. Typically, it is related to devices connected to your PC, such as graphics cards, USB devices, or other peripherals. The system fails to correctly recognize or utilize the device, resulting in a device descriptor request failure. Let's explore the possible causes and how to fix this error.

What is Error Code 43?

Error code 43 in Windows 10 appears when the operating system detects that a device cannot be properly initialized or is malfunctioning. This error is usually shown in the Device Manager as a notification indicating issues with the drivers or connected hardware. It is important to understand that code 43 is a general error message and may indicate a wide range of underlying problems.

Common Causes of Error Code 43

The primary reasons for error code 43 can include the following:

  • Driver Issues: Faulty, outdated, or incompatible drivers are a common cause. Sometimes, drivers fail to work correctly with the operating system, leading to the error.
  • Hardware Failures: If the device or its components are damaged, Windows may fail to recognize them correctly. This applies to both internal components like graphics cards and external peripheral devices.
  • USB Port Problems: The error may arise due to issues with USB ports or conflicts with connected devices.
  • Failed System Updates: In rare cases, installing system updates may cause compatibility issues that result in the device error.

How to Fix Error Code 43

Here are several methods to resolve the issue:

1. Restart Your Computer

Sometimes, simply restarting your system allows the operating system to detect and initialize the device correctly.

2. Update or Reinstall Device Drivers

Updating drivers is one of the easiest and most effective solutions. To do this:

  1. Open Device Manager (press Win + X and select "Device Manager").
  2. Locate the device causing the error (it will be marked with a yellow exclamation mark).
  3. Right-click on the device and select "Update driver."
  4. Follow the prompts to install the latest driver version automatically.

3. Disconnect and Reconnect the Device

If the issue is with an external device (like a USB flash drive or external hard drive), try unplugging it, waiting a few seconds, and plugging it back in. This can sometimes prompt the system to recognize the device properly.

4. Test the Device on Another Computer

If the problem persists, try connecting the device to a different computer. This can help determine if the issue is with your PC or the device itself.

5. Use Windows Troubleshooter

Windows 10 includes built-in troubleshooting tools that can help diagnose and fix errors automatically. To use it:

  1. Go to "Settings" > "Update & Security" > "Troubleshoot."
  2. Select "Additional troubleshooters" and choose the appropriate tool for your issue.

6. Update Your Operating System

Make sure your computer has the latest Windows updates installed. Sometimes, error fixes and driver updates are included with system updates.

7. Check the Device Hardware

If you encounter this error with an internal device (like a graphics card or sound card), it may be damaged. In this case, you may need to contact a specialist or replace the component.