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How to Fix Device Error Code 43 on Windows 11: Step-by-Step Solutions That Work

Device Error Code 43 on Windows 11 indicates that your computer has stopped a hardware device because it reported problems. This error can prevent your device from functioning properly and can be frustrating to fix.

Fortunately, there are several simple steps you can take to resolve this issue. Most of these solutions do not require advanced technical knowledge and can be done quickly.

This guide will walk you through easy-to-understand steps to fix Error Code 43 on Windows 11, starting from basic checks to more detailed troubleshooting.

By following these instructions carefully, you should be able to get your device working again without much hassle.

Quick Note: Before You Start

Before jumping into the fixes, it’s important to check a few things to save time:

  • Restart your PC: Sometimes, a simple reboot can clear temporary glitches causing the error.
  • Check the device connection: If your device is external (like a USB), unplug it and reconnect it firmly.
  • Try a different port: If possible, plug the device into another USB or connection port.
  • Ensure Windows is updated: Updates can fix bugs and improve hardware compatibility.

Step 1: Run the Hardware and Devices Troubleshooter

Windows 11 includes a built-in troubleshooter that can automatically detect and fix hardware problems.

  1. Press Windows + I to open Settings.
  2. Go to System > Troubleshoot > Other troubleshooters.
  3. Find Hardware and Devices and click Run.
  4. Follow the on-screen instructions and let Windows try to fix the issue.

This tool helps because it scans for common device errors and attempts automatic repairs.

Step 2: Update the Device Driver

Device drivers allow Windows to communicate with your hardware. An outdated or corrupted driver often causes Error Code 43.

  1. Right-click the Start button and select Device Manager.
  2. Locate your problematic device (it will usually have a yellow warning icon).
  3. Right-click the device and choose Update driver.
  4. Select Search automatically for drivers. Windows will try to find the latest driver online.
  5. Restart your PC after updating the driver.

Updating drivers ensures your device works with the latest software improvements and bug fixes.

Step 3: Roll Back the Driver

If updating the driver made things worse or the error started after a recent update, rolling back to the previous driver can help.

  1. Open Device Manager again and right-click the device.
  2. Select Properties, then go to the Driver tab.
  3. Click Roll Back Driver (if available).
  4. Follow the prompts and restart your computer.

This option restores a previous, stable driver version that worked well with your device.

Step 4: Uninstall and Reinstall the Device

Sometimes, removing the device from your system and letting Windows reinstall it can fix corrupt settings.

  1. In Device Manager, right-click the device and choose Uninstall device.
  2. Confirm the uninstall and restart your PC.
  3. Windows will detect the device on startup and install the default drivers automatically.

This process resets the device’s connection with Windows and can clear error 43 issues.

Step 5: Check for Windows Updates

Microsoft frequently releases updates that improve hardware compatibility and fix bugs.

  1. Open Settings with Windows + I.
  2. Go to Windows Update.
  3. Click Check for updates and install any available updates.
  4. Restart your PC if prompted.

Keeping your system updated ensures you have the latest fixes and drivers for your hardware.

Step 6: Disable and Re-enable the Device

Disabling and then enabling the device can sometimes reset its status.

  1. Open Device Manager.
  2. Right-click the device and select Disable device.
  3. Wait a few seconds, then right-click it again and choose Enable device.

This simple reset can clear temporary glitches causing the error.

Step 7: Check Power Management Settings

Windows may turn off devices to save power, which can cause errors.

  1. In Device Manager, right-click the device and select Properties.
  2. Go to the Power Management tab.
  3. Uncheck Allow the computer to turn off this device to save power.
  4. Click OK and restart your PC.

This prevents Windows from disabling your device automatically.

Advanced Option: Update BIOS or Chipset Drivers

If none of the above solutions work, outdated BIOS or chipset drivers on your motherboard may cause device errors.

Visit your computer or motherboard manufacturer’s website to download the latest BIOS and chipset drivers. Follow their instructions carefully for updating.

Note: BIOS updates are sensitive and should only be done if you are comfortable with the process.

Frequently Asked Questions (FAQs)

What does Error Code 43 mean?

Error Code 43 means Windows has stopped the device because it reported a problem. It is often related to driver or hardware issues.

Can hardware failure cause Error Code 43?

Yes. Sometimes the device itself is faulty, and no software fix can solve the problem.

Is it safe to uninstall and reinstall a device?

Yes. Windows will reinstall the device automatically upon restart, and this often fixes driver-related problems.

Do I need to update drivers manually?

Usually, Windows updates drivers automatically, but sometimes manual updates from the manufacturer’s website are needed for the latest fixes.

Can a system restore fix Error Code 43?

System Restore can help if the error started after a recent change, but it should be used only if other steps fail.

When Nothing Works

If you have tried all the steps above and the error persists, consider the following:

  • Test the device on another computer: This can confirm if the hardware itself is faulty.
  • Contact the device manufacturer’s support: They may provide specific fixes or replacements.
  • Visit the official Microsoft support page: support.microsoft.com for more help and advanced troubleshooting.
  • Consider professional repair: If your device is critical and no fix works, a technician can diagnose hardware problems.

Conclusion

Error Code 43 on Windows 11 is usually caused by driver or hardware communication problems. Starting with simple checks like restarting your PC and running the troubleshooter can often fix the issue quickly.

If basic steps don’t work, updating or reinstalling drivers, adjusting power settings, and checking for Windows updates are effective next moves.

For persistent problems, advanced options like BIOS updates or professional help may be necessary. By following this step-by-step guide, you increase the chance of resolving the error and restoring your device’s functionality.

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