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What is BOOTSECT Windows command?

The Windows bootsect command is a built-in tool that allows users to manage the master boot record (MBR) and the boot sector of their computer’s hard drive. This command is mainly used to repair or rebuild the bootloader when issues arise during the boot process. By using the bootsect command, you can fix various boot-related problems, such as invalid MBR or missing boot sectors. It is also useful for configuring the active partition and ensuring that your computer can start up properly. Additionally, the bootsect command can be utilized to create a USB flash drive that is bootable, making it easier to install or repair Windows on a computer without an optical drive. This command is typically run from the Command Prompt with specific parameters to perform different tasks related to the boot process. Overall, the bootsect command is a powerful tool that helps users troubleshoot boot issues and manage their computer’s boot configuration effectively.

BOOTSECT Syntax:

Terminal window
bootsect /nt60 [drive] [/mbr | /force]

BOOTSECT Options:

OptionDescription
/nt60Updates the master boot code for Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012
/mbrUpdates the master boot record without testing the integrity of the volume
/forceAttempts to force upgrading the boot sector even if it is not necessary

Parameters:

ParameterDescription
driveSpecifies the drive letter followed by a colon (:) where the bootsect command will update the boot code. For example, “C:” or “D:“.

BOOTSECT Command Usage Examples:

Fix the Master Boot Record (MBR)

Terminal window
bootsect /nt60 C: /mbr

This command restores the Master Boot Record (MBR) on the C: drive.

Set the Windows Boot Manager

Terminal window
bootsect /nt60 C:

Sets the Windows Boot Manager on the C: drive for booting into Windows.

Rebuild the Boot Configuration Data

Terminal window
bootsect /nt60 ALL /force

Forces the rebuilding of the Boot Configuration Data (BCD) on all drives.

Display Help Information

Terminal window
bootsect /help

Shows the available options and syntax for using the bootsect command.

Create a USB Flash Drive Boot Sector

Terminal window
bootsect /nt60 E: /force /mbr

Creates a boot sector on the E: drive of a USB flash drive with the MBR forcefully updated.

How do I install the boot sector of the active partition?

To install the boot sector of the active partition, use the following command:

Terminal window
bootsect /nt60 SYS /mbr

How can I update the master boot record (MBR) of the system disk?

To update the master boot record of the system disk, you can run:

Terminal window
bootsect /nt60 ALL /force /mbr

What is the command to write a new boot sector to the system partition?

The command to write a new boot sector to the system partition is:

Terminal window
bootsect /nt60 C:

How do I restore the boot code on the boot sector?

To restore the boot code on the boot sector, execute the following command:

Terminal window
bootsect /nt60 SYS /MBR

How can I change the boot manager from Windows 7 to Windows 10?

To change the boot manager from Windows 7 to Windows 10, use:

Terminal window
bootsect /nt60 C: /force /mbr

What is the command to update the boot configuration on the target volume?

The command to update the boot configuration on the target volume is:

Terminal window
bootsect /nt60 D: /force /mbr

How do I view detailed options and help information for the bootsect command?

To view detailed options and help information for the bootsect command, run:

Terminal window
bootsect /help

How can I restore the boot sector of a specific partition without affecting the MBR?

To restore the boot sector of a specific partition without affecting the MBR, execute:

Terminal window
bootsect /nt60 D: /force

Applications of the BOOTSECT Command

  • Updating the master boot code for a specified disk
  • Setting up a disk to be bootable by a PC
  • Fixing issues with the master boot record (MBR) or boot sector