How to Use DISM Offline Repair to Fix Windows 10 [2021]

In Windows 10, Deployment Image Servicing and Management (DISM) is a tool designed to enable network administrators to prepare, modify, and repair system images, including Windows Recovery Environment, Windows Setup, and Windows PE (WinPE) . However, anyone can also use the tool to fix common problems related to recovery image hidden on your computer.

Usually, when your device is experiencing performance issues, not booting properly or fixing errors, you can use System File Checker tool to scan, detect and replace corrupted or missing system files using recovery image available locally.

However, if the replacement files contained in the Windows 10 image are damaged in any way, the SFC tool will not work. In this particular situation, you can use the DISM tool to scan and repair the /"install.wim/" image, which you can then use with SFC to repair your installation.

Typically, DISM (short for Deployment Image Servicing and Management) will download the necessary files from Windows Update to replace the bad file. But sometimes DISM may fail to repair the corrupted image. In this case, you can try the DISM command line with the source option.

NOTE: It is strongly recommended that you create a system image or at least a system restore point before continuing!

REPAIR PROBLEMS WITH DISM USING WIM IMAGE
The DISM tool is unlikely to have any problems, but in the rare case that Windows Update has problems getting the replacement files or you don't have an Internet connection, you will need to use another source to repair the files. files using another source. image with the Source option.

Before you can specify a different source, you will need an install.wim or install.esd file from another computer, bootable installation media, or an ISO file. Additionally, it is important that the source of the known good files matches the same version, edition, and language of Windows 10 that you are using on your computer.

DOWNLOAD WINDOWS 10 ISO FILE
If you need to use a different source for the files, it is recommended to use the Media Creation Tool to download a new copy of Windows 10.

To download Windows 10 ISO file, follow these steps:
1. Open this Microsoft support website: https://www.microsoft.com/en-us/software-download/windows10
2. Click the Download Tool Now button.
3. Double-click the MediaCreationToolxxxx.exe file to start the installation.
4. Click the /"Accept/" button to accept the conditions.
5. Select the option /"Create installation media (USB stick, DVD or ISO file) for another PC/".
6. Click the Next button.
7. Click the Next button again.
8. Select the /"ISO file/" option.
9. Click the Next button.
10. Select the desired location where you want to store the Windows 10 ISO file.
11. Click the /"Save/" button.
12. Once finished, click the link to open the file location with File Explorer.
13. Click the Finish button.
14. Double-click the Windows.iso file to mount the image.
15. Under the /"This PC/" section, confirm the media drive letter in the left pane.

Once you complete the steps, you can continue with the DISM tool using /"Source/" option to repair Windows 10 local image.

FIX WINDOWS 10 RECOVERY IMAGE
To run the Deployment Image Maintenance and Management Tool with another source image (install.wim), complete the following steps:
1. Open Start.
2. Search for Command Prompt, right-click the first result and select the /"Run as administrator/" option.
3. Type the following command to repair Windows 10 image and press Enter: DISM /Online /Cleanup-Image /RestoreHealth /Source:E://Sources//install.wim
IMPORTANT: In the command, replace /"F/" with the drive letter corresponding to the ISO mount point in File Explorer.
4. (Optional) Type the following command to limit the use of Windows Update and press Enter: DISM /Online /Cleanup-Image /RestoreHealth /Source:E//Sources//install.wim /LimitAccess
5. (Optional) Type the following variation of the previous command to accomplish the same task and press Enter: DISM /Online /Cleanup-Image /RestoreHealth /Source:wim:E://Sources//install.wim:1 / LimitAccess
NOTE: In the command, change F://Sources for the file path /"install.wim/".

Once you complete the steps, the command will scan and repair the most common issues using the /"install.wim/" file you specified as an alternative source.

OTHER POSSIBLE DISM COMMANDS:
To use another repair source: Dism /Online /Cleanup-Image /RestoreHealth /Source:d://test//mount//windows
Dism.exe /Online /Cleanup-Image /AnalyzeComponentStore
Dism.exe /online /Cleanup-Image /StartComponentCleanup
Dism.exe /online /Cleanup-Image /StartComponentCleanup /ResetBase

Hopefully some of these methods will fix your Windows errors 🙂

MORE INFORMATION AND RESOURCES:
https://www.windowscentral.com/how-use-dism-command-line-utility-repair-windows-10-image
https://www.ghacks.net/2018/03/16/use-dism-to-fix-issues-sfc-cant/
https://www.ubackup.com/windows-10/dism-offline-repair-windows-10.html

Please take the opportunity to connect and share this video with your friends and family if you find it useful.