How to Use DISM /Online /Cleanup-Image /RestoreHealth to Fix Windows Issues
Introduction
Windows operating systems can develop errors over time due to corrupted system files, failed updates, or software conflicts. The DISM (Deployment Image Servicing and Management) tool is a built-in Windows utility that helps repair system image issues. The command dism /online /cleanup-image /restorehealth is particularly useful in fixing system corruption without requiring a full reinstall. In this guide, you’ll learn how to effectively use this command and troubleshoot common errors related to it.
Understanding the DISM Command
What is DISM?
DISM is a command-line tool that allows users to manage and service Windows images. It helps fix system inconsistencies, restore missing or corrupted files, and prepare Windows for updates.
Breaking Down the Command
- /Online – Runs the operation on the active operating system.
- /Cleanup-Image – Performs cleanup and repair functions on the Windows image.
- /RestoreHealth – Scans and repairs system corruption.
Using this command ensures your system runs smoothly without requiring a reinstall.
Step-by-Step Guide to Running DISM /Online /Cleanup-Image /RestoreHealth
Step 1: Open Command Prompt as Administrator
- Press Win + S, type cmd, and select Run as administrator.
Step 2: Run the DISM Command
In the command prompt, type:
DISM /Online /Cleanup-Image /RestoreHealthPress Enter and wait for the process to complete.
Step 3: Restart Your PC
After completion, restart your computer to apply changes.
Common DISM Errors and Fixes
Even though DISM is powerful, errors may arise. Here’s how to fix them:
1. Error 87: Incorrect Parameter
Solution: Ensure correct syntax:
DISM /Online /Cleanup-Image /RestoreHealth2. Error 1726: The Remote Procedure Call Failed
Solution:
- Restart your PC.
- Run
sfc /scannowbefore using DISM.
3. Error 0x800f081f: Source Files Could Not Be Found
Solution: Run the command with a Windows ISO file:
DISM /Online /Cleanup-Image /RestoreHealth /Source:D:\Sources\Install.wimReplace D: with your ISO drive letter.
When to Use DISM vs. SFC
| Feature | DISM | SFC |
|---|---|---|
| Fixes system file corruption | ✅ | ✅ |
| Requires internet connection | ✅ | ❌ |
| Restores Windows image | ✅ | ❌ |
| Scans and repairs protected system files | ❌ | ✅ |
Best Practice: Run sfc /scannow first. If issues persist, use DISM.
Additional DISM Commands for Advanced Users
Check Windows Image Health
DISM /Online /Cleanup-Image /CheckHealthScan for Corruption
DISM /Online /Cleanup-Image /ScanHealthRestore Image Using Local Source
DISM /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Install.wim
FAQs
1. How long does the DISM command take to complete?
The process typically takes 5-20 minutes, depending on system health and speed.
2. Should I use DISM regularly?
Yes, running DISM every few months helps maintain system integrity.
3. What happens if DISM fails?
Try running sfc /scannow first, then retry DISM. If it still fails, consider a Windows reinstall.
4. Can I use DISM in Safe Mode?
Yes, boot into Safe Mode and run the command for better success rates.
5. Does DISM require an internet connection?
Yes, for online repairs. Use a Windows ISO if no internet is available.
6. Will running DISM delete my files?
No, DISM repairs the system without affecting personal files.
Conclusion
The DISM /Online /Cleanup-Image /RestoreHealth command is a vital tool for Windows maintenance, helping users repair system corruption without reinstalling the OS. By following this guide, you can troubleshoot common errors and optimize your PC’s performance efficiently.
