DISM command tool to repair Windows 10 image

Checking issues with DISM using CheckHealth option:

1. Open Start.
2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
3. Type the following command to perform a quick health check and press Enter:
4.   DISM /Online /Cleanup-Image /CheckHealth

Checking issues with DISM using ScanHealth option

1. Open Start.
2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
3. Type the following command to perform an advanced DISM scan and press Enter:
4. DISM /Online /Cleanup-Image /ScanHealth

Repairing issues with DISM using RestoreHealth option

1. Open Start.
2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
3. Type the following command to repair the Windows 10 image and press Enter:
4. DISM /Online /Cleanup-Image /RestoreHealth

https://www.windowscentral.com/how-use-dism-command-line-utility-repair-windows-10-image