Detailed Instructions for Loading MBR and PBR for Hard Drives

What is MBR? MBR stands for Master Boot Record which is responsible for managing the Boot ability of each device. For example, hard drive, USB, portable hard drive… You often know the word as Rebuild MBR.

What is PBR? PBR stands for Partition Boot Record, which is responsible for managing the Boot ability of each partition on each device. For example, drive C, drive D... Loading PBR will help you fix some typical boot errors such as BOOTMBR missing.

Load MBR for hard drive

First, enter the Windows PE rescue environment. Then run the software, at the main interface of the software, in the Destination Disk section, select the correct device that you want to load the MBR on. Then click on the word Process MBR.


At this step, you tick the box Windows NT 5.x / 6.x MBR and then click Install / Config to proceed to load the MBR.


Another window appears, click on the corresponding option. In there:

  • Windows NT 5.x MBR: Load MBR for versions from Windows XP and earlier.
  • Windows NT 6.x MBR: Load MBR for versions from Windows 7 and later.


Load PBR for hard drive

At the main interface of the software, at the main interface of the software, the Destination Disk section, you choose the correct device that you want to load PBR. Then click on the word Process PBR.


Next, in the Destination Partition section, select the hard drive partition you want to load PBR. In there:

  • NTLDR boot record (FAT/FAT32/NTFS): Load PBR for versions of Windows XP and earlier.
  • BOOTMGR boot record (FAT/FAT32/NTFS/ExFAT): Load PBR for Windows 7 and later versions.

After the option is complete, click Install / Config to proceed with loading the PBR.


That's it, hope this article will help you. Good luck!

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