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220-801 · Question #1099

A computer will not load Windows and displays the error message "Operating system not found". Which of the following tools should the technician use to troubleshoot the issue?

The correct answer is A. bootrec. 'Operating system not found' indicates a corrupted or missing boot record. The bootrec tool, run from the Windows Recovery Environment, repairs the Master Boot Record (MBR), boot sector, and Boot Configuration Data (BCD) using commands like /fixmbr, /fixboot, and /rebuildbcd…

Hardware and network troubleshooting

Question

A computer will not load Windows and displays the error message "Operating system not found". Which of the following tools should the technician use to troubleshoot the issue?

Options

  • Abootrec
  • Bdiskpart
  • Cformat
  • Dsfc

How the community answered

(34 responses)
  • A
    88% (30)
  • B
    3% (1)
  • C
    3% (1)
  • D
    6% (2)

Explanation

'Operating system not found' indicates a corrupted or missing boot record. The bootrec tool, run from the Windows Recovery Environment, repairs the Master Boot Record (MBR), boot sector, and Boot Configuration Data (BCD) using commands like /fixmbr, /fixboot, and /rebuildbcd. diskpart (B) manages partitions but doesn't repair boot records. format (C) erases the drive, destroying data. sfc (System File Checker) (D) scans for corrupted Windows system files but requires a bootable system to run.

Topics

#bootrec#OS not found#boot troubleshooting#Windows recovery

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