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Difficulty: MediumTroubleshooting Windows OS Startup and Boot Errors

A Windows 10 desktop computer fails to complete the startup sequence immediately after a third-party graphics driver update was installed. During the Windows logo splash screen, the system displays a Stop error (BSOD) and continuously restarts in a boot loop. The technician successfully boots the workstation into the Windows Recovery Environment (WinRE). Which of the following is the most appropriate initial action to restore system bootability?

  1. Navigate to Startup Settings and boot into Safe Mode to roll back the updated driver.Answer
  2. B
    Open the Command Prompt and run bootrec /rebuildbcd to repair the boot configuration store.
  3. C
    Open the Command Prompt and execute sfc /scannow to replace corrupted Windows system binaries.
  4. D
    Navigate to Startup Settings and select Disable Driver Signature Enforcement to load the unverified driver.

Answer

Navigate to Startup Settings and boot into Safe Mode to roll back the updated driver.
Safe Mode starts Windows with a baseline set of drivers and essential services. Because the crash occurs during the boot phase due to a newly installed graphics driver, booting into Safe Mode bypasses the third-party driver, allowing the technician to access Device Manager and execute a driver rollback.

Step-by-Step Solution

1
Analyze the symptoms described in the scenario.
Identified that the system encounters a Blue Screen of Death (BSOD) during the kernel loading phase specifically following a graphics driver update.
Determining the root cause isolates the issue to a corrupted or incompatible driver operating in kernel space rather than a damaged boot sector or missing hardware.
2
Evaluate WinRE recovery tools for driver-level failure remediation.
Booting into Safe Mode loads essential Windows components only, preventing the newly updated third-party graphics driver from initializing.
Safe Mode provides a stable environment to access Device Manager or System Restore.
3
Remediate the driver corruption.
Roll back or uninstall the problematic graphics driver from Device Manager.
Restoring the previously known-good driver resolves the crash loop and allows standard system boot.

Key Concept

Isolating and recovering from driver-induced boot crashes using WinRE Safe Mode
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Topics

Troubleshooting Windows OS Startup and Boot Errors

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