Device Manager Code 31 Error

If you're encountering a Code 31 error in Device Manager and your device isn’t working properly, this typically signals an issue with the device driver or hardware configuration. Let’s dive into what this error means, why it occurs, and how to resolve it.

What Does the Code 31 Error Mean?

Code 31 in Device Manager indicates that Windows cannot load the necessary driver for the device. This error often arises due to a faulty or outdated driver, a hardware conflict, or a registry misconfiguration. It’s usually accompanied by a message saying, “Windows cannot load the driver for this device”.

Common Causes of the Code 31 Error

  • Driver corruption or incompatibility: The device may fail to work properly if its driver is outdated or corrupted.
  • Incorrect installation: Improper installation of the driver or device can lead to a Code 31 error.
  • Registry issues: Certain registry configurations can become incorrect, impacting device functionality.
  • Hardware conflicts: Occasionally, two devices may conflict, preventing one from loading properly.

How to Fix the Code 31 Error

1. Reinstall the Device Driver

The first step to resolving this error is reinstalling the driver:

  1. Open Device Manager and locate the device with the error (it will have an exclamation mark).
  2. Right-click on the device and select Uninstall device.
  3. Restart your computer. Windows will attempt to reinstall the driver automatically.

2. Manually Update the Driver

If automatic reinstallation doesn’t work, try updating the drivers manually:

  1. Visit the device manufacturer's website or your computer manufacturer’s website to download the latest driver versions.
  2. Download and install the driver, following the instructions provided.

3. Use Windows Troubleshooter

Windows troubleshooting tools can help detect and fix issues automatically:

  1. Go to Settings > Update & Security > Troubleshoot.
  2. Select Additional troubleshooters and run the hardware and devices troubleshooter.

4. Check the Registry Configuration

If previous steps haven’t resolved the issue, consider checking the registry:

  1. Open the Registry Editor (press Win + R, type regedit, and hit Enter).
  2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class.
  3. Locate the folder corresponding to your device, and delete the UpperFilters and LowerFilters keys (if they exist).
  4. Restart your computer.

5. Verify Device Compatibility

Make sure the device is compatible with your version of Windows. Older devices may not function properly on newer OS versions. Check the manufacturer’s website for compatibility information and any available firmware updates.