×

How to Fix CACHE_INITIALIZATION_FAILED Bug Check Code 0x66

2024/08/19
PC Repair

Key Notes

  • Identify the root cause of the CACHE_INITIALIZATION_FAILED error.
  • Follow a systematic troubleshooting approach.
  • Keep your system updated to prevent future issues.

Understanding and Resolving the CACHE_INITIALIZATION_FAILED BSOD in Windows

The CACHE_INITIALIZATION_FAILED BSOD, marked by the error code 0x00000066, leads to system crashes during boot due to cache memory initialization issues. This article provides essential troubleshooting steps to address this rare yet disruptive error.

How to Fix the CACHE_INITIALIZATION_FAILED BSOD

Step 1: Update All Drivers

To begin resolving the CACHE_INITIALIZATION_FAILED BSOD, update your system’s drivers:

  1. Press Windows + X to access the Power User menu and choose Device Manager.
  2. Expand the various entries, right-click each device, and choose Update driver. Start with the graphics driver.
  3. Select Search automatically for drivers and allow Windows to install any available driver updates.
  4. Repeat this process for all drivers, then restart your computer.

Pro Tip: For drivers not updated automatically, visit the manufacturer’s website for the latest versions.

Step 2: Clear Storage Space on the System Drive

Freeing up storage space on your system drive can also help resolve the error:

  1. Press Windows + S, type Disk Cleanup, and click the result.
  2. Select your system drive (typically C:) and click OK.
  3. Check the non-critical file categories to delete, including Recycle Bin, then click OK.
  4. Finalize your selection by clicking Delete Files in the prompt.

Pro Tip: Set up Storage Sense in Windows to automatically delete unnecessary files on a schedule.

Step 3: Repair Corrupt System Files

Faulty system files can contribute to this BSOD. Follow these steps to repair them:

  1. Press Windows + R, type cmd, and press Ctrl + Shift + Enter.
  2. Allow the User Account Control prompt if it appears.
  3. Execute the following DISM commands one by one:

    4. DISM /Online /Cleanup-Image /CheckHealth DISM /Online /Cleanup-Image /ScanHealth DISM /Online /Cleanup-Image /RestoreHealth

  4. Run the SFC scan by executing sfc /scannow .
  5. Restart your computer to apply the changes.

Pro Tip: These commands repair any corrupt or missing system files that may lead to BSOD errors.

Step 4: Disable Fast Startup

Fast startup can sometimes lead to boot issues. To disable it:

  1. Open the Control Panel by pressing Windows + S.
  2. Select System and Security.
  3. Click on Change what the power buttons do in Power Options.
  4. Select Change settings that are currently unavailable.
  5. Uncheck Turn on fast startup and click Save changes.
  6. Reboot the system to see if the issue persists.

Pro Tip: Disabling Fast Startup can enhance system stability during boot.

Step 5: Perform a System Restore

If the issue arose after a recent change, restoring your system may help:

  1. Press Windows + R and type rstrui.exe, then hit Enter.
  2. Select Choose a different restore point and then click Next.
  3. Choose the earliest restore point available and press Next.
  4. Verify the details and click Finish to initiate the restore process.

Pro Tip: Regularly create restore points to safeguard against system issues.

Additional Tips

  • Always check for hardware-related issues if BSOD persists after all software fixes.
  • Consider keeping system backups for easy recovery.
  • Invest in reliable antivirus software to prevent system file corruption.

Summary

The CACHE_INITIALIZATION_FAILED BSOD is a challenging error to diagnose and resolve. By updating drivers, clearing storage, repairing files, adjusting power settings, and possibly restoring the system, users can overcome this issue effectively.

Conclusion

Encountering the CACHE_INITIALIZATION_FAILED BSOD can be frustrating, but following these systematic steps offers a reliable way to restore your Windows system. Regular maintenance and updates can help prevent future occurrences.

FAQ (Frequently Asked Questions)

What causes the CACHE_INITIALIZATION_FAILED BSOD?

This BSOD can arise due to corrupt system files, low storage space, outdated drivers, or misconfigured boot settings.

How can I prevent the CACHE_INITIALIZATION_FAILED error?

Maintaining updated drivers, ensuring sufficient storage, and regular system maintenance can help prevent this BSOD.

PC Repair