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Zorluk: OrtaTroubleshooting Windows OS Startup and Boot Errors

A technician is troubleshooting a Windows 11 desktop that fails to boot following an unexpected shutdown during a system update. The computer uses UEFI firmware with a GPT disk structure. Upon starting, the system halts with a recovery screen displaying error code 0xc000000f, indicating that the Boot Configuration Data (BCD) file is missing or damaged. The technician boots the system into the Windows Recovery Environment (WinRE) Command Prompt. Which of the following commands is the most appropriate first step to regenerate the boot environment files on the EFI System Partition?

  1. bcdboot C:\WindowsCevap
  2. B
    bootrec /fixmbr
  3. C
    sfc /scannow
  4. D
    chkdsk C: /f

Cevap

The command 'bcdboot C:\Windows' is the correct choice to repair missing or corrupted UEFI boot files and regenerate the BCD store.
The command 'bcdboot C:\Windows' is specifically designed to quickly create or repair the boot environment files on the EFI System Partition (ESP) for UEFI/GPT systems by pulling clean copies directly from the Windows OS directory.

Adım Adım Çözüm

1
Identify the system architecture and error type.
The system relies on UEFI firmware with GPT partitioning, and error code 0xc000000f indicates missing BCD/boot files.
UEFI systems rely on an EFI System Partition (ESP) formatted as FAT32 containing specific boot environment files rather than an MBR.
2
Select the utility designed to reconstruct UEFI boot files.
The BCDBoot command line tool copies boot files from the main Windows OS directory (C:\Windows) to the hidden EFI System Partition.
Executing 'bcdboot C:\Windows' creates a new BCD store and places necessary UEFI boot environment files into the ESP.

Anahtar Kavram

EFI System Partition (ESP) and BCD File Repair via BCDBoot Utility
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Konular

Troubleshooting Windows OS Startup and Boot Errors

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