EaseUS Partition Master

A simple partition tool to manage disk space in Windows 10

FREE MBR Repair Tool: How to Fix MBR on Internal and External Hard Disk

Updated by Roxanne on May 17, 2021
Written by Jean

Quick Navigation  to MBR Repair:

  1. Solution 1. Repair Damaged MBR with MBR Repair Tool
  2. Solution 2. Repair MBR via Command Prompt
  3. Solution 3. Turn to Professionals

Overview - MBR Repair Tool for Windows 10/8.1/8/7

MBR is short for Master Boot Record. It plays a vital role in computer system booting, as well as a partition table for arranging and checking the partitions on hard drives. The Master boot record is created when you first install Windows on the first partition you create. If the MBR of the Windows operating system hard disk or external hard drive is damaged, you won't be able to boot into Windows.

free mbr repair tool

All Windows versions - Windows XP, Vista, 7, or 8 – use MBR and, if damaged, you won't be able to boot. You can find the best MBR repair tool, which allows you to repair your damaged MBR efficiently and effectively. If you are familiar with CMD, repair MBR via Command Prompt. Apply the best Windows 10/8.1/8/7 MBR repair tool to quickly fix corrupt/damaged MBR on any device.

How to Tell Your Hard Drive MBR Is Damaged or Corrupted

What's the sign of your hard drive MBR is damaged? Except that the precise error message shows you that the master boot record is broken, there are other clues you can determine whether your MBR is corrupted and needs instant repair! For example, MBR error 1, MBR error 2, MBR error 3...

The problem, along with a damaged MBR on a hard drive or some externals is that Windows will no longer work, and it will fail to find and load the operating system because the master boot record is a crucial part of your PC's startup system. Usually, the following reasons are the leading causes of an MBR error:

  • Virus infection
  • Drive failure
  • Invalid partition table
  • Missing Operating System
  • Operating System not found
  • Non-System disk or disk error

Relax, if you are faced with MBR corruption. Here we provide you with two effective ways to repair MBR as the following content shows.

Solution 1. Repair Damaged MBR with MBR Repair Tool

EaseUS MBR repair software assists you easily in rectifying MBR problems on a hard drive, external hard drive, and USB flash drive in Windows operating system and Windows server operating system without any hassle. All you need to do is to download the EaseUS partition software on an ordinary computer and automatically repair MBR with a few clicks.

How to Fix the MBR in Windows 10/8.1/8/7

Step 1. Create a WinPE bootable disk

  • Launch EaseUS Partition Master, click "WinPE Creator" on the toolbar. Select to create the bootable disk on a USB drive. If your computer has a CD/DVD drive, you can also create the bootable disk to CD/DVD.
  • Click "Proceed" to finish the process.
create a bootable disk

Step 2. Boot EaseUS Partition Master Bootable USB

  • Connect the bootable USB or CD/DVD to your PC. 
  • Press F2 or Del when you restart the computer to enter the BIOS screen. Set and boot your computer from "Removable Devices" or "CD-ROM Drive". And then EaseUS Partition Master will run automatically.
rebuild MBR

Step 3. Rebuild MBR

  • Right-click the disk whose MBR is damaged. Choose "Rebuild MBR" to continue.
  • Select the type of MBR with the current operating system. Then, click "OK".
rebuild MBR
  • Click the "Execute Operation" button at the top-left corner and click "Apply" to build the MBR. After that, your computer can boot normally again.
rebuild MBR

Solution 2. Repair MBR via Command Prompt for Free

If you are familiar with Command Prompt, you can manually repair the MBR corruption issue with CMD. If you cannot boot to your system, you need to start the computer with the Windows 10/8/7 installation DVD. If you don't have one at hand, you need to create one with Windows Media Creation Tool. Here's an example of fixing the MBR in Windows 10 with CMD.

Step 1. Boot from the original installation DVD (or the recovery USB)

Step 2. At the Welcome screen, click "Repair your computer" on the lower-left corner.

Step 3. Choose "Troubleshoot > Advanced Options > Command Prompt".

repair mbr using cmd

Step 4. When the Command Prompt loads, type the following commands and press Enter after each:

  • Bootrec.exe/fixmbr
  • Bootrec.exe/fixboot
  • Bootrec.exe/rebuildbcd

Step 5. When it completes, exit the Command Prompt window, eject the DVD, and restart the computer.

Solution 3. Turn to Professionals for MBR Repair

If you think it is hard for you to fix MBR and repair MBR by yourself, you can turn to professional 1-on-1 remote assistance.

Do You Need Specialized Services for System Boot Issues?
EaseUS also provides 1-on-1 remote assistance to fix the boot issue. If the solution above does not work for you, please contact our professionals via Email or LiveChat on this page. To ensure our professional assistance work, you are suggested to connect the unbootable system drive to a healthy computer when getting connected with us.

Top 5 Free MBR Repair Tools for Windows 10/8.1/8/7

Many free MBR repair tools claim to be able to fix the MBR. Here, I have listed the five most effective tools for you.

  1. 1. EaseUS Partition Master
  2. 2. MBRWizard
  3. 3. Bootrec.exe
  4. 4. BOOTICE
  5. 5. MBRtool

Top 1. EaseUS Partition Master (Free Version)

As I have mentioned before, EaseUS Partition Master is a quite powerful utility and can help deal with MBR issues and disk management cases. Even you have minor technology knowledge, you can rebuild MBR with the help of it.

What I Like

  • You can create bootable media even you cannot boot into your computer.
  • This software recovers lost or deleted partitions if you have a partition loss problem.
  • It has the compatibility of Windows 10/8.1/8/7/Vista/XP.
  • You can rebuild and repair MBR for free.

What I Don't Like

  • Some features are paid only.

Top 2. MBRWizard

If you are using x86 and x86-64 based computers, MBRWizard is a nice choice. It is a Master Boot Record (MBR) tool designed to repair third-party software left issues. This Windows boot repair tool also has many key features.

mbrwizard - free mbr repair tool

What I Like

  • MBRWizard provides functionality to help solve most MBR boot issues.
  • It can repair problems caused by disk imaging products.
  • You can restore and protect the MBR disk on your PC.

What I Don't Like

  • MBRWizard Suit needs a paid license.

Top 3. Bootrec.exe

Bootrec.exe is a command that is used to update the master boot record code, partition boot sector code, and the BCD (boot configuration data). It is provided by Microsoft in Windows Recovery Environment.

What I Like

  • You don't need to install additional software
  • It is totally free because you only need the command lines.

What I Don't Like

  • You need to start the computer with the Windows 10/8/7 installation DVD.

Top 4. BOOTICE

BOOTICE is a boot-related maintenance gadget. It is used to install, repair, back up, and restore disk MBR or partition PBR. Whenever you are faced with MBR problems, you can fix them with BOOTICE.

bootice - mbr repair tool

What I Like

  • It can edit Windows boot configuration file BCD
  • This software can manage UEFI startup items.

What I Don't Like

  • It is only available for 64-bit OS

Top 5. MBRtool

MBRtool is completely free. But it is a utility that runs in DOS. If some of the MBR sectors are damaged, this tool is my recommendation.

mbrtool - free mbr repair tool

What I Like

  • It comes with its bootable media builder.
  • Backup and recovery is available for users

What I Don't Like

  • The last update was a long time ago

What Is the Best MBR Repair Tool

There are many free methods for you to fix and repair the corrupted MBR on any storage device in Windows, among which one of the widely applied MBR repair methods is to use a Command Prompt and run the bootrec.exe /fixmbr command. Even so, it's not a smart choice because they need to search for more tutorials to learn how to create a system repair disk to enter the Windows Automatic Repair mode.

Alternatively, things become much easier when you get acquainted with an MBR repair tool! EaseUS Partition Master comes with a feature called Rebuild MBR. This unique and powerful feature makes it the most popular free MBR repair tool in fixing the damaged master boot record of your hard drive. Here's a comparison table, you can tell which is the best free MBR repair tool.

Comparison EaseUS MBR Repair Software Bootrec.exe
Easiness Easy to use Hard
Supported OS Windows 10/8.1/8/7/Vista/XP Limited
Cost Free Free
Tech Support Yes No

Bonus Tip - How to Back up Data Without OS

Before you are going to repair your MBR, you'd better back up files in advance. If the damaged MBR is a system disk, you are unable to boot into Windows 10/8/7. You'd better back up data or your system without booting into OS. If you have a backup, you can restore the wanted data and system with ease. Professional back and recovery software from EaseUS is my suggestion. EaseUS Todo Backup is a reliable data backup software for users, backing up and restoring files fast on a Windows-based computer.

back up mbr data without os

To Sum Up

It is widespread to receive the "Master Boot Record of this hard drive is damaged" error. You can solve this case quickly as long as you follow those methods above. By the way, EaseUS MBR repair tool can not only rebuild MBR but also can check the hard drive for errors. It will check the bad sectors on the partition and perform the surface test for a disk. If you have other disk errors, you can also turn to this tool.

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Updated by Roxanne

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest.

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Written by Jean

Author Jean has been writing tech articles since she was graduated from university. She has been part of the EaseUS team for over 5 years. Her special focuses are data recovery, disk partitioning, data space optimization, data backup and Mac OS. By the way, she's an aviation fan!

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