How to Fix WHEA_UNCORRECTABLE_ERROR (0x00000124) in Windows 10

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The WHEA_UNCORRECTABLE_ERROR (0x00000124) is a Blue Screen of Death (BSOD) error in Windows 10 that signifies a hardware issue. It typically indicates that a problem with hardware components or their drivers has been detected by the Windows Hardware Error Architecture (WHEA). This error can be caused by faulty hardware, driver conflicts, or overheating. This guide will help you troubleshoot and resolve this issue to restore system stability.
0x0000124-WHEA_UNCORRECTABLE_ERROR

1. Restart Your Computer

A simple restart can sometimes resolve temporary issues and refresh system resources.

  1. Save Your Work: Ensure all your work is saved and close any open applications.
  2. Restart: Click the Start menu, select the power icon, and choose "Restart."

2. Check for Windows Updates

Windows updates can include important fixes and improvements for system stability and hardware compatibility.

  1. Open Settings: Press Windows + I to open the Settings app.
  2. Navigate to Update & Security: Click on "Update & Security."
  3. Check for Updates: Click "Check for updates" and install any available updates.
  4. Restart Your Computer: Restart your computer to apply updates.

3. Update Device Drivers

Outdated or corrupt drivers can cause hardware issues. Updating drivers can help resolve the error.

  1. Open Device Manager: Press Windows + X and select "Device Manager."
  2. Update Drivers: Expand the categories and right-click on the hardware components, such as "Processors" or "Graphics adapters." Select "Update driver" and choose "Search automatically for updated driver software."
  3. Restart Your Computer: After updating drivers, restart your computer.

4. Check for Overheating

Overheating can cause hardware components to malfunction and trigger WHEA_UNCORRECTABLE_ERROR.

  1. Monitor Temperatures: Use a hardware monitoring tool (such as HWMonitor or Core Temp) to check your CPU and GPU temperatures.
  2. Improve Cooling: Ensure that your computer's cooling system is functioning properly. Clean dust from vents and fans and consider adding additional cooling if needed.

5. Test Your Hardware

Faulty hardware can lead to this error. Running diagnostic tests can help identify problematic components.

  1. Run Memory Diagnostic: Press Windows + R, type mdsched.exe, and press Enter. Choose "Restart now and check for problems" to test your RAM.
  2. Run Manufacturer Diagnostics: Use diagnostic tools provided by your hardware manufacturer (e.g., Intel Processor Diagnostic Tool) to check for issues with your CPU or other components.

6. Check for Hardware Conflicts

Conflicts between hardware components can cause errors. Check for issues with recently added or updated hardware.

  1. Remove Recent Hardware: If you recently installed new hardware, try removing it and see if the issue persists.
  2. Reseat Components: Ensure that all hardware components, such as RAM and expansion cards, are properly seated in their slots.

7. Run System File Checker

Corrupted system files can contribute to hardware errors. Running a System File Checker (SFC) scan can help repair these files.

  1. Open Command Prompt as Administrator: Press Windows + X and select "Command Prompt (Admin)" or "Windows PowerShell (Admin)."
  2. Run SFC Scan: Enter the following command and press Enter:
    sfc /scannow
  3. Wait for Completion: Allow the scan to complete and follow any instructions provided. Restart your computer if needed.

8. Check BIOS/UEFI Settings

Incorrect BIOS/UEFI settings can affect hardware stability. Ensure that your settings are configured correctly.

  1. Enter BIOS/UEFI: Restart your computer and press the key to enter BIOS/UEFI (usually F2, Del, or Esc).
  2. Check Settings: Verify settings related to your hardware components, such as CPU and RAM. Reset BIOS/UEFI settings to default if unsure.
  3. Save and Exit: Save any changes and exit BIOS/UEFI. Restart your computer.

9. Perform a System Restore

If the error started recently, performing a System Restore can revert your system to a previous state.

  1. Open System Restore: Press Windows + R, type rstrui.exe, and press Enter.
  2. Select a Restore Point: Follow the prompts to choose a restore point from before the error began and restore your system.

10. Check for Faulty Hardware

If the error persists, there may be a problem with a specific hardware component. Consider testing or replacing individual components.

  1. Test Individual Components: If possible, test each hardware component separately to identify faulty parts.
  2. Replace Faulty Hardware: If you identify a defective component, consider replacing it with a known working part.

Conclusion

The WHEA_UNCORRECTABLE_ERROR (0x00000124) indicates a serious hardware issue that needs to be addressed to prevent system instability. By following the troubleshooting steps provided, you can effectively identify and resolve the underlying cause of the error. Regular maintenance, updates, and hardware checks can help prevent similar issues in the future. If the problem persists despite these efforts, consult with a professional technician or contact hardware support for further assistance.

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