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Difficulty: MediumResolving System File Corruption and Driver Issues

Following an abrupt power loss during an optional update, a Windows workstation begins experiencing intermittent system instability alongside missing DLL error messages upon startup. A technician needs to restore driver stability and repair core operating system file integrity. Which TWO of the following actions should the technician perform? (Select TWO.)

  1. Use Device Manager to perform a driver rollback on the hardware modified prior to the power failure.Answer
  2. Execute sfc /scannow from an administrative Command Prompt to scan and restore damaged system files.Answer
  3. C
    Run chkdsk /f to rebuild the system file cache and replace missing DLL binaries.
  4. D
    Open Event Viewer and clear the Windows System Log to reset operating system corruption flags.

Answer

Rolling back the modified driver in Device Manager and running `sfc /scannow` from an administrative Command Prompt.
The correct procedures involve performing a driver rollback in Device Manager to replace the unstable driver with its previous version, and running `sfc /scannow` from an elevated Command Prompt to scan and restore corrupted system files.

Step-by-Step Solution

1
Address the hardware driver instability by reverting to the previous functional driver version.
Device Manager reinstalls the backup driver binaries, eliminating crashes caused by corrupted or partially installed device drivers.
Restoring driver stability prevents further kernel faults while running repair tools.
2
Open an elevated Command Prompt and execute System File Checker.
The command `sfc /scannow` verifies the cryptographic signatures of system binaries and replaces corrupted files from the component store.
SFC specifically targets missing or corrupt system files such as OS DLLs.

Key Concept

Resolving System File Corruption and Driver Issues
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Topics

Resolving System File Corruption and Driver Issues

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