How can I check for corrupted system files using DISM and SFC

To check for and repair corrupted system files in Windows 10 using DISM and SFC, follow these steps:

1. Open Command Prompt as administrator:
   • Press Windows key + X
   • Select “Command Prompt (Admin)” or “Windows PowerShell (Admin)”
2. Run DISM commands in this order:a. Check the health of the system image:
   DISM /Online /Cleanup-Image /CheckHealth


   b. Scan for issues:

   DISM /Online /Cleanup-Image /ScanHealth


   c. Repair any problems found:

   DISM /Online /Cleanup-Image /RestoreHealth

3. After DISM completes, run the System File Checker:
   sfc /scannow

4. Wait for the SFC scan to complete. It may take several minutes.
5. Restart your computer after the scans are finished.

Important notes:

• These commands may take some time to complete, especially the RestoreHealth option.
• Ensure you have a stable internet connection, as DISM may need to download replacement files.
• If issues persist, you may need to run the SFC scan multiple times.
• For severe corruption, you might need to use installation media as a repair source.

By running these commands, you can identify and repair many types of system file corruption in Windows 10. If problems continue after these steps, you may need to consider more advanced troubleshooting or a clean Windows installation.