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Difficulty: HardTroubleshooting Windows OS Startup and Boot Errors

A Windows 11 workstation fails to complete startup following a sudden power failure during a system update. On power-on, the machine displays a blue Recovery screen stating 'Your PC/Device needs to be repaired' along with error code 0xc000000e, indicating that the Boot Configuration Data (BCD) file is missing or contains errors. The IT technician boots the computer into the Windows Recovery Environment (WinRE) using bootable installation media and opens the Command Prompt. Which command should the technician execute FIRST to locate installed Windows OS instances and rebuild the boot configuration?

  1. bootrec /rebuildbcdAnswer
  2. B
    bootrec /fixmbr
  3. C
    sfc /scannow
  4. D
    chkdsk C: /r

Answer

The command 'bootrec /rebuildbcd' should be executed first to scan disks for Windows installations and reconstruct the missing or corrupted Boot Configuration Data store.
The error code 0xc000000e occurs when the Windows Boot Manager cannot locate or read the Boot Configuration Data (BCD) file. Running 'bootrec /rebuildbcd' within the Windows Recovery Environment scans disk partitions for installed Windows operating systems and allows the technician to rebuild the BCD database, resolving the startup error.

Step-by-Step Solution

1
Analyze the error code and boot state
Error code 0xc000000e specifies a missing or damaged BCD store, preventing Windows Boot Manager from locating the boot loader.
Identifying the exact boot phase failure isolates the problem to BCD file corruption rather than driver failure or disk corruption.
2
Boot into WinRE Command Prompt
Access to offline command-line repair tools is established.
WinRE provides the environment necessary to run recovery tools against offline operating system partitions.
3
Execute the bootrec /rebuildbcd command
The tool scans connected storage for Windows installations and prompts to add discovered installations to the BCD store.
Rebuilding the BCD directly addresses BCD corruption by recreating missing entries required by Windows Boot Manager.

Key Concept

Windows Boot Configuration Data (BCD) Recovery via WinRE Command Prompt
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Topics

Troubleshooting Windows OS Startup and Boot Errors

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