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Zorluk: KolayTroubleshooting Windows OS Startup and Boot Errors

A technician is servicing a legacy Windows 10 computer that fails to start after an unexpected power outage. Upon powering on, the screen displays the error message 'Operating System not found'. The technician boots the system into the Windows Recovery Environment (WinRE) command prompt to repair the MBR boot code and the volume boot sector. Which TWO of the following bootrec commands should the technician execute to accomplish this? (Select TWO.)

  1. bootrec /fixmbrCevap
  2. bootrec /fixbootCevap
  3. C
    bootrec /rebuildbcd
  4. D
    bootrec /scanos

Cevap

The technician should execute the bootrec /fixmbr and bootrec /fixboot commands.
The command bootrec /fixmbr writes a Windows-compatible Master Boot Record to the system partition to resolve MBR corruption, while bootrec /fixboot writes a new volume boot sector to repair damaged boot code on the system partition.

Adım Adım Çözüm

1
Identify the cause of the 'Operating System not found' error on an MBR system.
Determine that the Master Boot Record code or volume boot sector code is corrupted or missing.
Power outages can cause write interruptions that corrupt boot sectors on MBR partitions.
2
Select the appropriate bootrec command to repair the Master Boot Record.
Use bootrec /fixmbr to write a Windows-compatible MBR to the system partition.
This fixes corrupted MBR header/code without altering the partition table.
3
Select the appropriate bootrec command to write a new boot sector.
Use bootrec /fixboot to write a new boot sector to the system partition.
This repairs the volume boot sector required to launch the Windows Boot Manager.

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Troubleshooting Windows OS Startup and Boot Errors using bootrec commands in WinRE
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Troubleshooting Windows OS Startup and Boot Errors

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