Alex Ruben
Fix Error Code 0xC0000221 BSOD in Windows: A Step-by-Step Guide
This guide provides a detailed approach to fixing the 0xC0000221 Blue Screen of Death (BSOD) error in Windows. This critical error can prevent users from booting into their system, making file access and troubleshooting nearly impossible. By following the steps outlined, you will learn how to diagnose and resolve this issue, helping restore your computer to normal operation.
Step 1: Test Your Memory (RAM)
Memory issues are a common cause of BSOD errors. Performing a memory test can help determine if this is the source of the problem:
- Type Memory in the Windows search bar.
- Select the Windows Memory Diagnostic result.
- Choose Restart now and check for problems (recommended).
- Allow the tool to run and complete the memory check.
- To view the logs, open the Event Viewer, go to Windows Logs > System. On the right side, under Actions, click on Filter current log and search for MemoryDiagnostics.
Step 2: Run SFC and DISM Tools
Corrupted system files may also lead to BSOD errors. The System File Checker (SFC) and Deployment Imaging Service and Management Tool (DISM) can help fix these issues:
- Type cmd in the Windows search bar.
- Right-click on Command Prompt and select Run as administrator.
- When prompted by the User Account Control window, click Yes.
- Copy and paste the following command, then press Enter:
sfc /scannow. - Once the scan completes, close the Command Prompt and restart your device.
Step 3: Perform a System Restore
If the BSOD error persists, a System Restore may revert the system to a previous state where it was functioning correctly:
- Press the Windows key, type create a restore point in the search bar, and select the first option to access the System Properties window.
- Click the System Restore button in the System Protection tab.
- Select the restore point when your PC was functioning properly and press the Next button.
- Press the Finish button on the Confirm your restore point window.
Extra Tips & Common Issues
Here are some additional tips to enhance your troubleshooting process:
- Ensure all your drivers are up-to-date to prevent compatibility issues.
- Check for recent updates that may have caused system instability and consider rolling them back.
- Backup important data regularly to avoid potential data loss during critical errors.
- If the problem persists, further hardware diagnostics may be necessary to check for failing components.
By completing these steps, you should be able to address the 0xC0000221 BSOD error effectively. If you have any questions or encounter issues along the way, don’t hesitate to seek help from forums or IT professionals.