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Difficulty: EasyResolving System File Corruption and Driver Issues

A desktop technician is servicing a Windows workstation that exhibits operating system instability after an improper shutdown. The technician suspects system file corruption and wants to verify and repair both the system file integrity and the Windows component store image. Which TWO command-line utilities should the technician execute to accomplish these tasks?

  1. sfc /scannowAnswer
  2. dism /online /cleanup-image /restorehealthAnswer
  3. C
    chkdsk /r
  4. D
    dxdiag

Answer

Running the `sfc /scannow` command inspects protected Windows system files and replaces corrupted files, while running `dism /online /cleanup-image /restorehealth` repairs the underlying Windows component store image used as the source for system repair.
The correct utilities are `sfc /scannow` and `dism /online /cleanup-image /restorehealth`. `sfc /scannow` inspects all protected system files and replaces damaged ones with cached copies. `dism /online /cleanup-image /restorehealth` repairs the Windows component store image, ensuring the operating system repair image itself is free of corruption.

Step-by-Step Solution

1
Execute System File Checker (SFC)
Scans system files for corruption and replaces damaged files from the local cache.
SFC directly targeted system file integrity issues.
2
Execute Deployment Image Servicing and Management (DISM)
Repairs the Windows component store servicing image using Windows Update or local repair sources.
DISM fixes the underlying component store so SFC has valid files to draw from during repairs.

Key Concept

Windows System File Repair Utilities (SFC and DISM)
Estimated Time:1m 0s
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Topics

Resolving System File Corruption and Driver Issues

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