A technician is troubleshooting a computer that has been infected with a virus. Upon rebooting, the computer states that NTLDR is missing. The computer cannot boot into safe mode, and reinstalling…

The correct answer is B. Run Startup Repair. NTLDR (NT Loader) is the Windows XP boot loader; if it is missing or corrupted (commonly caused by a virus), the OS cannot start. Running Startup Repair (B) from the Windows installation media or Recovery Environment automatically detects and repairs missing or corrupted boot…

Hardware and network troubleshooting

Question

A technician is troubleshooting a computer that has been infected with a virus. Upon rebooting, the computer states that NTLDR is missing. The computer cannot boot into safe mode, and reinstalling the OS is not an option. Which of the following is the BEST option to use to restore the machine to a bootable state?

Options

ARemove the CMOS battery
BRun Startup Repair
CFormat the C drive
DRepair the MBR and then reboot

How the community answered

(20 responses)

A
5% (1)
B
85% (17)
C
10% (2)

Explanation

NTLDR (NT Loader) is the Windows XP boot loader; if it is missing or corrupted (commonly caused by a virus), the OS cannot start. Running Startup Repair (B) from the Windows installation media or Recovery Environment automatically detects and repairs missing or corrupted boot files, including the boot loader, BCD (Boot Configuration Data), and MBR - without requiring a full OS reinstall. This is the safest non-destructive fix. Repairing the MBR (D) alone may not restore NTLDR if it was deleted. Removing the CMOS battery (A) resets BIOS settings but does nothing for a missing OS file. Formatting the C drive (C) would destroy all data and still require an OS reinstall, which is explicitly excluded.

Topics

#NTLDR missing#boot error#Startup Repair#Windows recovery

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