Are you encountering the dreaded Windows Error Code 43 on your PC? Don’t worry — you’re not alone. Many users experience this frustrating issue, which typically signals that Windows has stopped a device because it reported problems. This error most commonly appears with USB devices, graphics cards, or other hardware components.
In this comprehensive, step-by-step guide, we’ll walk you through a series of effective solutions to fix Windows Error Code 43 and get your devices working smoothly again. Whether you’re a tech novice or a seasoned user, this guide is crafted with clear, easy-to-follow instructions and a human touch.
What is Windows Error Code 43?
Error Code 43 generally appears in the Device Manager with a message such as:
“Windows has stopped this device because it has reported problems. (Code 43).”
This error can occur due to hardware failures, driver issues, or system conflicts. You might find your USB device unplugging itself, your GPU not functioning correctly, or another peripheral failing to work.
Why Does Error Code 43 Appear?
Here are common reasons:
- Outdated, corrupted, or incompatible device drivers
- Faulty hardware or a damaged USB port
- Windows Updates interfering with device functionality
- Conflicts between connected devices
- Issues with power management settings
How to Fix Windows Error Code 43: Step-By-Step
Step 1: Restart Your Computer
It sounds simple, but a quick reboot often resolves temporary glitches.
- Save your work.
- Click Start > Power > Restart.
- After rebooting, check if the error persists.
Step 2: Disconnect and Reconnect the Affected Device
If the problem involves a USB device or external hardware:
- Disconnect the device from your PC.
- Wait 10-15 seconds.
- Reconnect it to a different USB port if available.
- See if Device Manager still shows the error.
Step 3: Update Device Drivers
Outdated or corrupted drivers are a common culprit.
- Press Windows + X and select Device Manager.
- Find the problematic device (it will have a yellow warning icon).
- Right-click the device and select Update driver.
- Choose Search automatically for updated driver software.
- Follow the prompts to complete the update.
- Restart your PC.
Pro Tip: For graphics card issues, it’s best to download the latest drivers directly from the manufacturer’s website (NVIDIA, AMD, Intel).
Step 4: Roll Back Drivers
If the problem started after a recent driver update:
- Open Device Manager.
- Right-click the device and select Properties.
- Navigate to the Driver tab.
- Click Roll Back Driver.
- Follow on-screen instructions and restart your computer.
Step 5: Run the Hardware and Devices Troubleshooter
Windows has a built-in tool to identify and fix hardware issues:
- Press Windows + I to open Settings.
- Go to Update & Security > Troubleshoot.
- Select Additional troubleshooters.
- Click Hardware and Devices and hit Run the troubleshooter.
- Follow the on-screen instructions and apply any fixes suggested.
Step 6: Reinstall the Device
Reinstalling can clear corrupted configurations.
- Open Device Manager.
- Right-click the faulty device and choose Uninstall device.
- Confirm by clicking Uninstall.
- Restart your PC.
- Windows should automatically detect the device and reinstall the drivers.
Step 7: Check for Windows Updates
Microsoft frequently releases patches that fix driver or hardware conflicts.
- Press Windows + I to open Settings.
- Click Update & Security > Windows Update.
- Select Check for updates.
- Install any available updates.
- Restart your system.
Step 8: Disable USB Selective Suspend Setting (For USB Devices)
Sometimes, USB power management can cause Error Code 43.
- Press Windows + R, type control panel, and press Enter.
- Navigate to Hardware and Sound > Power Options.
- Click Change plan settings next to your selected power plan.
- Select Change advanced power settings.
- Expand USB settings > USB selective suspend setting.
- Set both On battery and Plugged in to Disabled.
- Click Apply > OK.
- Restart your PC.
Step 9: Check for Hardware Issues
If none of the software fixes work, consider hardware problems:
- Try plugging the device into another computer.
- Inspect USB cables and ports for physical damage.
- If it’s a graphics card, ensure it’s securely seated and check for dust or overheating.
When Should You Seek Professional Help?
If you’ve painstakingly walked through these steps and your device still shows Error Code 43, the problem might be deeper—perhaps hardware failure that requires repair or replacement.
Don’t hesitate to consult with a certified technician or contact the device manufacturer for warranty support.
Final Thoughts
Windows Error Code 43 can feel like an intimidating roadblock, but as you can see, many simple steps can bring your device back to life. Remember to take it one step at a time, and don’t rush — technology problems are often easier to resolve with patience.
If you found this guide helpful, please share it with friends who might be struggling with similar issues. Got questions? Drop them in the comments below, and we’ll be happy to help!
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By following these clear, step-by-step solutions, you can confidently tackle Error Code 43 and get your device functioning properly again. Good luck!
