Microsoft DOS fixmbr command

Updated: 05/21/2018 by Computer Hope

About fixmbr

The fixmbr command is a recovery console command that creates a new boot record.

Availability

The fixmbr command is a recovery console command that is available in the below Microsoft operating systems.

Fixmbr syntax

Repairs the master boot record of the boot disk. The fixmbr command is only available when you are using the Recovery Console.

fixmbr [device_name]

device_name The device (drive) you want to write a new master boot record. The name can be obtained from the output of the map command.

Fixmbr examples

fixmbr \Device\HardDisk0

In the above example, the boot record would be re-written for the first disk drive.

Additional information

  • See our fix and MBR definitions for further information and related links on these terms.