Table of Contents
When your Windows operating system encounters corrupted or missing system files, it can cause various issues, including crashes, errors, and performance problems. Fortunately, Windows provides built-in tools like System File Checker (SFC) and Deployment Image Servicing and Management (DISM) to repair these files. This guide walks you through the essential steps to use SFC and DISM effectively.
Understanding SFC and DISM
SFC (System File Checker) scans your system for corrupted or missing files and attempts to repair them automatically. It’s a quick first step in troubleshooting system issues.
DISM (Deployment Image Servicing and Management) repairs the Windows image itself, which can help fix deeper problems that SFC cannot resolve alone.
Steps to Use SFC and DISM
Step 1: Open Command Prompt as Administrator
Click on the Start menu, type cmd, right-click on Command Prompt, and select Run as administrator. Confirm any prompts to allow administrative access.
Step 2: Run DISM to Repair the Windows Image
Type the following command and press Enter:
DISM /Online /Cleanup-Image /RestoreHealth
This process may take several minutes. It checks the component store for corruption and repairs it if necessary.
Step 3: Run SFC to Repair System Files
After DISM completes, type the following command and press Enter:
sfc /scannow
The scan will begin and may take some time. If it finds corrupted files, it will attempt to repair them automatically.
Final Tips
Ensure you run these tools with administrator privileges for full access. If SFC cannot repair all files, consider running it in Safe Mode or repeating the process after a system restart.
Regularly updating Windows can prevent system file corruption. Keep your system current to avoid future issues.