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Zorluk: OrtaTroubleshooting Windows OS Startup and Boot Errors

A Windows workstation connected to a corporate domain fails to launch the operating system after an improper system shutdown. Upon power-on, the screen displays the error message 'BOOTMGR is missing'. The computer utilizes a legacy Master Boot Record (MBR) disk partition layout. Which TWO command-line utilities and switches should an IT support technician execute inside the Windows Recovery Environment (WinRE) Command Prompt to write a new system partition boot sector and scan all disks for compatible Windows installations? (Select TWO.)

  1. bootrec /fixbootCevap
  2. bootrec /scanosCevap
  3. C
    sfc /rebuildbcd
  4. D
    bcdedit /fixmbr

Cevap

The correct utilities to execute are 'bootrec /fixboot' to write a new boot sector and 'bootrec /scanos' to search all disks for compatible operating system installations.
The command 'bootrec /fixboot' writes a new boot sector to the system partition, resolving issues where BOOTMGR is corrupted or missing. The command 'bootrec /scanos' scans all disks for Windows installations compatible with the current OS and displays any entries missing from the Boot Configuration Data store.

Adım Adım Çözüm

1
Identify the startup error cause
Recognize 'BOOTMGR is missing' on MBR disks indicates a corrupted volume boot record or missing boot files.
Understanding the specific phase of legacy MBR startup failure directs the correct utility selection.
2
Select the boot sector repair switch
Identify 'bootrec /fixboot' as the command to write a fresh volume boot sector.
The /fixboot switch writes a compatible system partition boot sector without overwriting the master partition table.
3
Select the OS scanning switch
Identify 'bootrec /scanos' as the command to scan all drives for Windows installations.
The /scanos switch locates Windows installations not currently listed in the Boot Configuration Data (BCD) store.

Anahtar Kavram

Repairing Windows Boot Configuration Data and boot sectors using bootrec commands in WinRE
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Konular

Troubleshooting Windows OS Startup and Boot Errors

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