How to Repair MBR in Windows 11? Your Comprehensive Guide is Here

Updated by

Tracy King 

Updated on April 22, 2024

In this guide, you'll learn how to repair the Master Boot Record (MBR) on Windows 11 using two easy and efficient methods. Additionally, you'll gain an understanding of what MBR is and what signs indicate a corrupted MBR!

Did you recently get your hands on Windows 11 and encounter the MBR repair in Windows 11 issue? If so, you've come to the right place, as we're here to assist you!

Well, the Master Boot Record or MBR is a crucial piece of information that enables a computer to locate and identify the position of the secondary data disk for Windows 11 to boot successfully. Occasionally, viruses or other malware, improper shutdowns, or errors can corrupt the Master Boot Record (MBR). At other times, you might encounter the "Bootmgr is missing" error message, which would prevent your device from starting up. Hence, if you're encountering this issue, you'll need to repair the MBR to let Windows 11 reload your MBR disk.

Sure, please provide the text that needs to be translated.

How to Repair the MBR (Data) Disk in Windows 11?

When it comes to repairing MBR (Master Boot Record) in Windows 11, we have two easy and quick methods for you! The first approach will instruct you on how to repair MBR in Windows 11 using a professional and highly advanced tool, while the second method will guide you through the process of fixing MBR via Command Prompt.

Regardless of which method you choose, you will achieve desirable results!

Method 1: How to Repair MBR in Windows 11 using Partition Master Tool

• Tools Required: Windows 11, USB, MBR repair software
• Supported Operating Systems: Windows 11, Windows 10, Windows 8, and older versions.
• Recommended For: Windows beginners and professionals

"How to repair MBR in Windows 11" is no longer a problem with the help of the Partition Master tool. That's right, you read it correctly.

MiniTool Partition Wizard is an outstanding tool that provides swift solutions and effortless methods to repair a damaged MBR data disk on your Windows 11 PC. This fantastic partition management software features a "Rebuild MBR" function, enabling users to rebuild MBR in Windows 11 within just a few minutes.

Therefore, if the MBR is corrupted or damaged, you can utilize this feature of the Partition Master Tool to fix the MBR issue without compromising the disk partition table.

Step 1. Create a WinPE bootable disk

< li > Launch Partition Master, and click "Bootable Media" on the toolbar. Select "Create bootable media".< /li > < li > Click "Next" to complete the process.< /li >

Step 2. Boot the 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". Then, Partition Master工具 will run automatically.

Step 3. Rebuild MBR

Click "Toolkit" and select "Rebuild MBR".

Select the disk and the type of MBR, then click "Rebuild".

Then, you will see the message "MBR has been successfully rebuilt on Disk X".

If this guide effectively repaired the corrupted MBR and your computer can now boot normally, please feel free to share this method online to help more people around you immediately.

Aside from fixing a corrupted MBR, here's a list of other useful features offered by the Partition Master tool that you might also appreciate:

• Change Partition Label: tools Partition Master changes the partition label or drive letter to enhance data organization.
• Check partitions: This professional tool inspects the selected partitions for issues and errors, and swiftly repairs them within minutes.
• SSD 4K Alignment: tools Partition Master Tool ensures proper alignment of partitions on SSDs to optimize PC performance.

Equipped with a suite of features, Partition Master emerges as the best and most recommended tool to effortlessly address any partition-related issue. Opt for Partition Master Tool now and seamlessly repair MBR on your Windows 11 PC.

Method 2: How to repair MBR in Windows 11 using Command Prompt

• Tools: Windows 11, CMD - Command Prompt
• Supported Operating Systems: Windows 11, Windows 10, Windows 8, and older versions
• Recommended For: Advanced Windows users and administrators only

Another method to repair MBR in Windows 11 is through Command Prompt. When the MBR is damaged or corrupted on a Windows 11 PC, you can readily utilize the Command Prompt approach to manually fix the MBR issue.

Here's a step-by-step guide on how to repair the Master Boot Record (MBR) in Windows 11 using the Command Prompt.

Step 1: Boot your Windows 11 PC from the original Windows Installation media.

Step 2: At the Install screen, click on the "Repair Your Computer" option at the bottom of the screen.

Step 3: From the Creation Tool, access the Command Prompt by selecting "Troubleshoot" > "Advanced Options" > "Command Prompt."

Step 4: Now, enter the following command in the Command Prompt and press the "Enter" button after each one:

• bootrec /fixmbr
• bootrec /fixboot
• bootrec /scanOs
• bootrec /rebuildbcd

Step 5: Finally, type "exit" to close the Command Prompt and restart your Windows 11 system.

Now, you should be able to boot Windows 11 without any issues.

In the following two sections, we will provide some fundamental knowledge about what MBR is and the symptoms suggesting MBR corruption for your reference. If you're interested, proceed with reading.

What is MBR?

MBR stands for Master Boot Record, which is essentially the data contained in the first sector of any floppy disk or hard drive that indicates the location and method of an operating system, enabling it to be loaded or booted into the computer's primary memory or Random Access Memory (RAM).

The MBR is often referred to as a "master partition table" or "partition sector" since it contains a table that identifies each partition on the hard disk that has been formatted. It also includes a program that reads the boot sector of the partition holding the operating system to be loaded into RAM.

Discussing the fundamental characteristics of MBR, they include the following:

• The maximum number of primary partitions that can be created on an MBR disk is 4, and each partition requires 16 bytes of space.
• MBR partitions come in three types: Primary Partitions, Logical Partitions, and Extended Partitions.
• The partition table in the MBR contains information only about the extended and primary partitions.

Symptoms of a Damaged or Corrupted Master Boot Record (MBR)

As mentioned above, the Master Boot Record (MBR) is crucial for booting a computer. Hence, when it becomes corrupted or damaged, Windows 11 will be unable to load the disk, resulting in various boot errors.

但如果在识别损坏的MBR时感到困惑，我们来帮你。以下是在Windows 11上可能遇到的启动错误列表：

• Error loading MBR disk
• Bootmgr is missing
• Invalid partition table
• Reboot and select the proper boot device
• Operating system not found
• BSOD
• Boot device not found

Therefore, if you come across any of these boot errors on your Windows 11 PC, it's a clear sign that the MBR is corrupted.

Conclusion

That's all about what MBR is, the symptoms of a damaged MBR, and how to repair MBR in Windows 11! Both the aforementioned methods are hassle-free, but if you're seeking a more professional tool for a quick MBR repair in Windows 11, give tools Partition Master a try! This partition master tool is highly efficient and swift in repairing MBR, making your Windows 11 computer bootable once again.

Frequently Asked Questions About Repairing the MBR in Windows 11

If you have more questions related to MBR repair, follow and find answers here:

**1. How can I repair a corrupted MBR partition table?**

When the Master Boot Record (MBR) table on your computer becomes corrupted, it may result in an unbootable system. Follow these steps to address the issue:

Boot the PC from a bootable USB or installation disk. Enter Command Prompt and type the following command lines individually:

1. bootrec /fixmbr
2. bootrec /fixboot
3. bootrec /scanOs
4. bootrec /rebuildbcd

**2. Does Windows 11 support GPT or MBR?**

Yes, Windows 11 supports both GPT (GUID Partition Table) and MBR (Master Boot Record) disk partition styles. However, if you plan to upgrade from Windows 10 to Windows 11, the operating system disk must be converted to the GPT partition style. This is because Windows 11 requires a GPT disk, along with UEFI (Unified Extensible Firmware Interface) and Secure Boot Mode enabled for a successful update.

3. Can I use MBR on Windows 11?

Yes, you can use MBR as a second data disk on Windows 11. However, if you intend to use MBR as the operating system disk type, the answer is no. The reason lies in the fact that Windows 11 necessitates the GPT disk partition style for a seamless operating system loading and boot process.