Windows Has Stopped This Device Because It Has Reported Problems (Code 43)

Have you ever tried to use a device on your computer only to encounter the frustrating error message “Windows has stopped this device because it has reported problems. (Code 43)”? This common Windows error occurs when your operating system has lost communication with a hardware device, typically a USB device or graphics card. Error code 43 usually indicates a driver issue, often caused by outdated or incompatible drivers, or when a device reports a hardware fault to the system.

This error can be particularly annoying since it prevents your hardware from functioning properly. You might see this message in Device Manager with a yellow warning triangle next to the affected device. The good news is that in many cases, you can resolve this issue yourself without technical expertise.

Error Code 43
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What Causes Code 43 Errors?

The dreaded “Windows has stopped this device because it has reported problems (Code 43)” message typically appears when Windows detects a hardware issue or a driver conflict with a device — most commonly a graphics card, USB device, or Bluetooth adapter. Code 43 is a generic error, but it usually points to one of these underlying causes:

• Driver corruption or incompatibility: A bad, outdated, or incompatible driver is the number one culprit.
• Hardware failure: Physical damage or failure of the device itself (especially common in aging USB drives and GPUs).
• Power supply issues: Insufficient or unstable power delivery, particularly for high-demand devices like external GPUs or hubs.
• Software conflicts: Recent Windows updates, third-party utilities, or antivirus software interfering with device communication.
• Firmware/BIOS problems: Outdated firmware or BIOS settings that don’t fully support the connected device.
• Overclocking instability: If you’ve overclocked your GPU or CPU, unstable frequencies can trigger Code 43 errors.

Understanding the likely cause is key to fixing it without unnecessary guesswork.

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How to Fix Code 43 Errors

Fortunately, while Code 43 is frustrating, it’s often solvable without needing to replace your device. Here’s a detailed walkthrough of every proven fix:

1. Restart Your Computer

Simple but effective — sometimes Code 43 appears because Windows hasn’t properly initialized the device after an update or driver install. A full reboot can reset device detection.

2. Unplug and Replug the Device

For external devices like USB drives, keyboards, or Bluetooth dongles:

• Disconnect the device.
• Wait about 30 seconds.
• Reconnect it to a different USB port (preferably a port directly on the motherboard instead of the front panel).

Sometimes a fresh connection handshake clears the problem.

3. Update Device Drivers

Bad or outdated drivers are the #1 reason for Code 43 errors. To update:

• Press Windows + X and select Device Manager.
• Find the problematic device (usually under Display Adapters or Universal Serial Bus controllers).
• Right-click it and choose Update driver → Search automatically for drivers.

If no updates are found, it’s often better to visit the manufacturer’s website and manually install the latest drivers, especially for GPUs (NVIDIA, AMD, Intel).

Pro Tip: Always uninstall old drivers first using Display Driver Uninstaller (DDU) for a clean GPU driver reinstallation.

4. Roll Back Recent Driver Updates

If Code 43 appeared after a driver update:

• In Device Manager, right-click the device.
• Select Properties → Driver tab → Roll Back Driver if the option is available.

New drivers sometimes introduce bugs that older versions didn’t have.

5. Check for Windows Updates

Microsoft occasionally pushes hotfixes for compatibility issues through Windows Update. Make sure you’re fully up to date:

• Go to Settings → Windows Update → Check for updates.
• Install any pending updates and restart your PC.

6. Disable Fast Startup

Fast Startup can cause devices not to initialize properly, especially USB peripherals:

• Open Control Panel → Power Options → Choose what the power buttons do.
• Click Change settings that are currently unavailable.
• Uncheck Turn on fast startup (recommended).
• Save changes and reboot.

7. Adjust BIOS or UEFI Settings

If you’re dealing with a Code 43 error on a GPU or external hardware:

• Enter your BIOS/UEFI (usually by pressing Del or F2 at startup).
• Look for settings related to PCIe slots, XMP memory profiles, or integrated peripherals.
• Reset BIOS to default settings if you’re unsure — this clears any accidental misconfigurations.

Sometimes an outdated BIOS can cause compatibility problems. If you’re comfortable, updating your motherboard BIOS can resolve persistent Code 43 issues.

8. Check for Overheating or Power Issues

Hardware instability — especially in GPUs — can lead to intermittent Code 43 errors:

• Monitor temperatures using tools like HWMonitor or GPU-Z.
• Test your power supply if you’re running a power-hungry GPU or multiple peripherals.
• For laptops, make sure your AC adapter is properly rated and functioning.

If your device is overheating or starving for power, Code 43 could be a warning sign of bigger stability problems.

9. Remove Other Conflicting Devices

Too many devices connected at once (especially cheap USB hubs) can cause bandwidth or power sharing conflicts. Disconnect unnecessary peripherals and see if the problem goes away.

For example, if you’re getting Code 43 on a gaming headset, try disconnecting external hard drives, webcams, or printers temporarily.

10. Perform a System Restore

If you recently installed updates or software that might be conflicting:

• Press Windows + S, type System Restore, and follow the prompts.
• Choose a restore point from before the Code 43 issue started.

This rolls your system back to a working state without losing personal files.

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When Should You Suspect a Hardware Failure?

If you’ve exhausted all troubleshooting steps and the Code 43 error persists, you might be dealing with physical hardware damage. Signs pointing to hardware failure include:

• Device not recognized on any computer.
• Constant device disconnects even after driver reinstalls.
• Physical damage visible on ports, connectors, or the device itself.
• GPU artifacts, crashes, or severe performance drops along with Code 43 errors.

At that point, contacting the manufacturer for warranty service or considering a replacement is usually the best move.

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Quick Troubleshooting Table

Step	Action	Success Rate
Restart Computer	Simple reboot	High
Update/Reinstall Drivers	Fresh drivers from manufacturer	Very High
BIOS Update	Only if needed	Moderate
System Restore	Rolling back system changes	High
Replace Device	If all else fails	Last Resort

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Final Tips for Avoiding Code 43 in the Future

• Always safely eject USB devices before unplugging them.
• Keep your GPU, chipset, and USB drivers up to date.
• Avoid cheap, no-name USB hubs that may not properly handle power delivery.
• Monitor system temperatures and power stability, especially if gaming or working with heavy apps.
• After big Windows updates, double-check device drivers to ensure compatibility.

Handling Code 43 can be frustrating, but armed with the right steps, you can often fix it yourself — and keep your system running smoothly without resorting to costly repairs.

Key Takeaways

• Error code 43 occurs when Windows detects a problem with a device and stops it from operating to prevent system damage.
• Simple solutions like restarting your computer or disconnecting and reconnecting the device can often resolve the error.
• Updating or rolling back device drivers through Device Manager is an effective troubleshooting step for persistent code 43 errors.

Understanding Error Code 43 in Windows

Error Code 43 is a common Windows Device Manager error that indicates a hardware device has reported problems to the operating system. This issue can affect various devices, most commonly graphics cards, USB devices, and other peripheral hardware.

Common Causes of Code 43 Errors

Device Manager generates Code 43 errors when it detects a hardware problem that prevents normal operation. The most frequent causes include:

• Outdated or corrupted device drivers – When drivers become incompatible or damaged, they can trigger this error
• Hardware failures – Physical damage or component malfunction in the device itself
• Improper device disconnection – Removing USB devices without safely ejecting them first
• Power-related issues – Insufficient power supply to external devices
• Recent Windows updates – System updates that conflict with existing hardware

In some cases, Code 43 appears temporarily after connecting new hardware before proper drivers are installed. The error may also occur when previously connected hardware is no longer available to the system, as indicated in the Microsoft support documentation.

Interpreting Error Messages and System Logs

When troubleshooting Code 43 errors, examining the specific error message and system logs can provide valuable clues:

The error typically appears in Device Manager as: “Windows has stopped this device because it has reported problems. (Code 43)”

For deeper investigation:

1. Check Event Viewer for relevant logs, particularly under Windows Logs > System
2. Look for Microsoft-Windows-Kernel-PnP events with Event ID 411, which indicates device problems
3. Note any timestamps that coincide with when the device stopped working

Device Manager provides additional details by right-clicking the problematic device and selecting “Properties.” The error description often includes specific information about what triggered the Code 43 error for that particular hardware component.

Troubleshooting Code 43 Error

Code 43 errors occur when Windows stops a device because it has reported problems. This frustrating error can affect various hardware components including USB devices, graphics cards, and other peripherals.

Updating Device Drivers

The most common solution for Code 43 errors is updating the device drivers. Outdated or corrupt drivers often trigger this error message.

To update drivers, open Device Manager by right-clicking the Start button and selecting “Device Manager.” Find the problematic device (usually marked with a yellow exclamation point), right-click it, and select “Update driver.”

Choose to search automatically for updated driver software. Windows will search your computer and the internet for the latest driver.

If Windows can’t find a newer driver, visit the manufacturer’s website. Download the latest driver specific to your device model and operating system version. After installation, restart your computer to apply changes.

Checking Hardware Issues

Physical hardware problems can trigger Code 43 errors. Start by examining the device for visible damage or loose connections.

For USB devices, try:

• Connecting to different USB ports
• Testing the device on another computer
• Checking if the port provides sufficient power

For internal components like graphics cards:

• Ensure the card is properly seated in its slot
• Check power connections
• Clean dust from the component and its connections

Power issues often cause Code 43 errors with external devices. Some devices require more power than certain USB ports provide, especially on laptops. Try connecting through a powered USB hub instead.

Rolling Back Drivers and Using System Restore

If the error appeared after updating drivers, rolling back to the previous version might help.

To roll back a driver:

1. Open Device Manager
2. Right-click the problematic device
3. Select “Properties”
4. Go to the “Driver” tab
5. Click “Roll Back Driver” (if available)

If rolling back isn’t an option, System Restore can revert your entire system to an earlier state. This helps when you’re unsure which change caused the problem.

To use System Restore:

1. Type “System Restore” in the search box
2. Select “Create a restore point”
3. Click “System Restore”
4. Choose a restore point from before the error appeared
5. Follow the prompts to complete the process

System Restore doesn’t affect personal files but removes recently installed programs and drivers.

Advanced Solutions for Resolving Code 43 Errors

When basic troubleshooting doesn’t solve Code 43 errors, more advanced technical solutions can help fix the underlying issues with your hardware devices. These methods target deeper system problems that may be causing the error.

Performing a BIOS Update

Outdated BIOS firmware can sometimes cause compatibility issues with hardware devices, resulting in Code 43 errors. Updating your system’s BIOS may resolve these conflicts.

To update your BIOS:

1. Visit your computer manufacturer’s website
2. Navigate to the support or downloads section
3. Enter your computer’s model number
4. Download the latest BIOS version for your specific model
5. Follow the manufacturer’s instructions carefully for installation

Important: BIOS updates come with risks. Improper updates can render your computer unbootable. Always back up important data before proceeding.

Many modern computers offer BIOS update utilities that simplify the process. Some manufacturers provide automatic update tools that handle the technical aspects of the update process.

Utilizing Windows System File Checker

System file corruption can trigger Code 43 errors. Windows System File Checker (SFC) scans and repairs corrupted system files that might be causing device issues.

To run SFC:

1. Type “cmd” in the Windows search bar
2. Right-click on Command Prompt and select “Run as administrator”
3. Type sfc /scannow and press Enter
4. Wait for the scan to complete (it may take 15-30 minutes)

The tool will automatically repair any corrupted files it finds. If SFC identifies issues but can’t fix them, you may need to perform a system restore to an earlier point when the device was working correctly.

For persistent problems, tech support from your device manufacturer might be necessary as they can provide device-specific solutions that address unique hardware configurations.

Seeking Professional Help

Sometimes the Code 43 error is too complex to fix on your own. When DIY solutions don’t work, getting expert assistance can save time and frustration.

Contacting Tech Support

Reaching out to your device manufacturer’s tech support should be your first step. These professionals have specific knowledge about your hardware and can offer tailored solutions.

Most companies offer multiple support channels:

• Phone support – Direct conversation with a technician
• Email tickets – Detailed written assistance
• Live chat – Real-time help through their website

When contacting support, have your device information ready. This includes the model number, when you purchased it, and what troubleshooting steps you’ve already tried.

For Windows 10 users, Microsoft’s support team can help with driver-related issues. They can guide you through advanced Windows Update options or provide specialized drivers that aren’t publicly available.

Consulting Verified Experts Online

Online platforms like JustAnswer connect you with verified tech experts who can help resolve Code 43 errors. These professionals often have years of experience with Windows driver problems.

The benefits of online expert help include:

• Convenience – Get help without leaving home
• Quick response – Often faster than official channels
• Multiple perspectives – Access to various specialists

Many experts can remotely guide you through advanced troubleshooting steps. They might suggest specific driver update techniques or registry modifications that aren’t covered in basic tutorials.

Before hiring online help, check reviews and credentials. Look for experts with proven experience fixing device driver issues in your specific version of Windows.

Frequently Asked Questions

Code 43 errors in Windows can be frustrating but are often fixable with the right troubleshooting steps. These common questions address specific device types and approaches to resolving this error.

What steps can I take to troubleshoot a Windows Code 43 error for a GPU device?

First, try updating your graphics drivers through Device Manager or the GPU manufacturer’s website. Right-click on Start, select Device Manager, expand Display Adapters, right-click your GPU, and select Update Driver.

If updating doesn’t work, try uninstalling the device driver completely. After uninstalling, restart your computer and Windows will attempt to reinstall the driver automatically.

Sometimes power management settings can cause Code 43 errors. Right-click the GPU in Device Manager, select Properties, go to the Power Management tab, and uncheck “Allow the computer to turn off this device to save power.”

How can I resolve the Code 43 error when using Bluetooth devices on Windows 11?

Update your Bluetooth drivers through Device Manager or from your computer manufacturer’s support website. Outdated drivers are a common cause of Code 43 errors with Bluetooth devices.

Try removing all Bluetooth devices and then reconnecting them. Go to Settings > Devices > Bluetooth & other devices, remove all devices, restart your computer, and then pair them again.

Check for Windows updates as Microsoft regularly releases fixes for Bluetooth issues. Go to Settings > Windows Update and install any available updates.

What should I do if I encounter error Code 43 with a USB device on a Windows-based system?

Try connecting the USB device to a different port on your computer. Sometimes specific ports can malfunction while others work properly.

Uninstall the USB device drivers in Device Manager. Find the device under Universal Serial Bus controllers, right-click it, select Uninstall device, restart your computer, and let Windows reinstall the driver.

Check for physical damage to the USB device or port. Damaged connectors can trigger Code 43 errors. Also try the device on another computer to determine if the issue is with the device itself.

Can a Code 43 error indicate a hardware failure, and how can I confirm it?

Yes, Code 43 can sometimes indicate actual hardware failure. To confirm this, try the device on multiple computers with different operating systems if possible.

Run hardware diagnostics if available. Many manufacturers include diagnostic tools that can test hardware components for physical failures.

If the device consistently shows Code 43 across different computers and operating systems, and basic troubleshooting steps don’t resolve the issue, it likely indicates hardware failure requiring repair or replacement.

What are the common causes of the Code 43 error in Windows device manager?

Driver corruption or incompatibility is the most frequent cause. This happens when drivers become damaged or when Windows updates conflict with existing drivers.

Hardware issues like damaged components or overheating can trigger Code 43 errors. Physical damage to connection points or internal components often manifests as this error.

Software conflicts between programs that access the same hardware can result in Code 43. Anti-virus software, system utilities, or other programs might interfere with device functionality.

How can I fix the error Code 43 for Wi-Fi adapters on a Windows 10 or Windows 11 machine?

Update your Wi-Fi adapter drivers through Device Manager or directly from the adapter manufacturer’s website. Outdated drivers are a primary cause of Code 43 errors.

Reset the network components by opening Command Prompt as administrator and running these commands in sequence: “netsh winsock reset”, “netsh int ip reset”, and “ipconfig /release” followed by “ipconfig /renew”.

Check for adapter overheating issues, especially on laptops. Make sure your computer has proper ventilation and isn’t placed on soft surfaces that block airflow.