6 Effective Methods: How to Fix MBR Error

Learn how to fix MBR error using 6 proven methods. This article provides detailed steps to resolve MBR error and recover lost files on MBR partitions.

Nene Aly

By Nene Aly / Updated on March 11, 2024

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Introduction to MBR Error

The Master Boot Record (MBR) is a crucial component of your computer's hard drive that contains vital information for successful booting.

When encountering an MBR error, you may experience boot failure or an inability to access your operating system. This typically occurs due to various reasons.

How To Fix Mbr Errors

This article focuses on providing solutions to the 'how to fix MBR error' conundrum. We will delve into the common causes of MBR errors and present step-by-step methods to resolve them.

Continue reading to discover effective solutions and detailed operation steps.

Reasons for MBR Error

Understanding the potential causes of MBR errors can help in determining the appropriate fix. Some common reasons for MBR errors include:

  1. Corrupted MBR due to malware or virus attacks.
  2. Hardware or software conflicts.
  3. Incorrect system shutdown.
  4. Improper installation or update of the operating system.
  5. Issues with the hard drive or partition table.

By addressing these causes, we can effectively resolve MBR errors and restore proper system functionality.

Method 1: Using Bootrec.exe Utility

In cases where the MBR error is caused by a corrupted or missing MBR, the 'bootrec' utility can be utilized for repair.

Cause: Corrupted or missing MBR.

Steps to Fix MBR Error:

  1. Insert your Windows installation media and boot from it.
  2. Click on 'Repair your computer' and select 'Troubleshoot'.
  3. Choose 'Advanced options' and click on 'Command Prompt'.
  4. Once in the command prompt, type the following commands and press Enter after each:
  • bootrec /fixmbr
  • bootrec /fixboot
  • bootrec /rebuildbcd

Method 2: Repairing Master Boot Record with EaseUS Partition Master

Cause: Corrupted or damaged MBR.

Steps to Fix MBR Error:

  1. Download and install EaseUS Partition Master.
  2. Launch the software and click on 'Disk'.
  3. Select 'Rebuild MBR' from the options.
  4. Choose the appropriate operating system from the list and click 'OK'.
  5. Finally, click on 'Apply' to execute the changes.

Method 3: Rebuilding MBR using TestDisk

Cause: Damaged or overwritten MBR.

Steps to Fix MBR Error:

  1. Download and install TestDisk.
  2. Launch TestDisk and select the affected disk.
  3. Choose the partition type and proceed to the next screen.
  4. Click on 'Advanced' and select 'MBR Code'.
  5. Press 'Y' to confirm the changes and reboot your system.

Method 4: Using MBR2GPT Utility

Cause: Incompatible MBR or GPT structure.

Steps to Fix MBR Error:

  1. Open Command Prompt as an administrator.
  2. Type 'mbr2gpt /convert /allowfullOS' and press Enter.
  3. Wait for the process to complete.

Method 5: Fixing MBR Error by Reinstalling Windows

Cause: Severe MBR corruption.

Steps to Fix MBR Error:

  1. Insert your Windows installation media and boot from it.
  2. Follow the on-screen instructions to initiate the installation.
  3. When prompted, select the desired language, keyboard layout, and time preferences.
  4. Click on 'Repair your computer'.
  5. Select 'Troubleshoot' and then 'Command Prompt'.
  6. In the command prompt, type 'bootrec /fixmbr' and press Enter.
  7. Execute 'bootrec /fixboot' and 'bootrec /rebuildbcd' commands as well.

Method 6: Recovering Lost Files on MBR Partitions using MyRecover

Key Features:

  • Efficiently recover lost files from MBR partitions.
  • Supports various file types and storage devices.
  • User-friendly interface for easy file recovery.

Steps to Recover Lost Files using MyRecover:

  1. Download and install MyRecover.
  2. Launch the software and select the desired partition for recovery.
  3. Click on 'Scan' to initiate the scanning process.
  4. Once the scanning is complete, preview and select the files to recover.
  5. Choose a destination folder and click on 'Recover' to restore the files.

FAQ about Fixing MBR Error

Q: How do I know if my MBR is corrupted?
A: A corrupted MBR can manifest as boot errors or an inability to access the operating system.

Q: Are there any tools to fix MBR errors automatically?
A: Yes, utilities like 'bootrec' and EaseUS Partition Master can help automate the repair process.

Q: Can I recover my files after fixing MBR errors?
A: Yes, using data recovery software like MyRecover, you can retrieve lost files from MBR partitions.

Q: What precautions should I take to prevent MBR errors?
A: Regularly update your operating system, use reliable antivirus software, and avoid sudden system shutdowns to minimize the risk of MBR errors.

Q: Can an MBR error cause data loss?
A: Yes, MBR errors can result in data loss if not addressed promptly. However, with proper solutions and file recovery tools, lost data can often be restored.

Q: Do I need professional assistance to fix MBR errors?
A: In most cases, MBR errors can be resolved using the methods provided in this article. However, if you are uncertain or encounter persistent issues, seeking professional help is recommended.


By following the step-by-step solutions outlined in this article, you can effectively fix MBR errors and restore stable system performance. Additionally, the use of MyRecover provides a reliable method to recover lost files on MBR partitions. Remember to take appropriate precautions to prevent future MBR errors and ensure the proper functioning of your computer.

Nene Aly
Nene Aly · Editor