4 Easy Ways | How to Recover Damaged Boot Sector Data

How to recover damaged boot sector data? Read this page and use MyRecover to create a boot drive to recover data from damaged boot sector. Also, know common symptoms and causes of boot sector corruption.


By Lori / Updated on April 2, 2024

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The boot sector is an important part of the hard disk, usually the first sector of the hard disk, and contains the master boot record and partition table. The boot sector is essential for the computer to access its hard drive partition.

Because information about the logical partition, including the machine code needed for the operating system to boot, is stored here. If this boot sector is damaged or missing, it may render the partition inaccessible, resulting in massive data loss.

How to Recover Damaged Boot Sector Data

Many users are very anxious in this data loss situation. You don't need to worry if your boot sector is damaged. Beacause we offer 4 practical methods to help you fix boot sector corruption and recover damaged boot sector data easily. Let's read on!

Symptoms and Causes of Boot Sector Corruption

When your system's boot sector becomes corrupted, various symptoms may appear. Also, before we recover data from damaged boot sector, let us explore the reasons for boot sector corruption.

Common symptoms of damaged boot sector

1️⃣ Non system disk or disk error.

2️⃣ Operating system not found

3️⃣ Error loading operating system

4️⃣ Bootmgr is missing

5️⃣ No boot disk has been detected

Causes of boot sector corruption

1️⃣ Windows registry modification

2️⃣ Operating system crash

3️⃣ Virus/malware infection

4️⃣ Power surge

5️⃣ Interrupted operating system installation

How to Recover Data from Damaged Boot Sector (Faster)

It is possible to recover data from damaged sector. Safe and reliable boot sector corruption recovery software - MyRecover can help you access your Windows system by using it to create a bootable media (CD/DVD or USB flash drive). Then, it can allow you to recover data lost due to boot sector corruption.

  • Free download and install MyRecover on a workable PC and connect a USB drive or CD/DVD to it.
  • During the bootable media creation process, all existing data on the media will be deleted. Please use an empty drive or the free backup software AOMEI Backupper Standard to protect your data first.
Download Software Windows 11/10/8/7/Server
Secure Download

Section 1. How to create a bootable drive

Step 1. Download and install MyRecover

Launch MyRecover. To retrieve lost files after boot sector corruption and create a bootable disk, please choose "Crashed PC Recovery" on the left side.

crashed pc recovery

Step 2. Select a path to execute

Choose USB bootable drive or CD/DVD bootable drive to create a boot disk based on your needs and click "Execute".



You can create a Windows PE-based boot disk in 3 options: USB Boot Device, Export ISO file, and Burn to CD/DVD.

"Add Drivers" allows you to manually add other necessary drivers to the bootable disk so that more devices are available after starting WinPE.

Step 3. Format the USB flash drive

To continue the next step, your chosen bootable drive will be formatted, please make sure you have backed up the important data. Then click Yes.

confirmation window

Step 4. Create a bootable disk

The creation operation will launch and you can check it. The process will take a few minutes.

creation process

Step 5. Complete the process

After that, you can see the creation success message. Also, you will be notified of the steps to boot from a bootable disk and then start the damaged boot sector data recovery.


After creating a bootable media, it becomes very easy to recover data from corrupted boot sector.

▶ Please connect the bootable disk to the unbootable computer > press F12, F2, F10, F11, Del, or Esc to enter the BIOS > change the computer's boot order > reboot PC and select proper boot device such as a bootable USB disk > press F10 to save and exit.

Damaged Boot Sector Recovery Tool
  • Support many loss scenarios such as system crashes, accidental deletion, disk formatting, virus attacks, and so on.
  • Recover 200+ file formats: Recover deleted Microsoft Word, Excel, PPT, PDF, PPTX, ODP, CSV, WPS files, and more.
  • Locate drive data quickly: Filter the file type, date, or size to locate your needed files quickly.
  • Support for NTFS, FAT32, exFAT, and ReFS file systems in Windows 11, 10, 8, 7, Server.

Section 2. How to recover data after boot sector corruption

Step 1. Run MyRecover

Launch MyRecover on your PC. Hover the mouse over the drive saved deleted files before, and click Scan.


Step 2. Scan for deleted or lost files

It will automatically and thoroughly scan your drive to find all recoverable data. You can use the Search Box or the Filter feature to quickly locate the data you want to recover.


Step 3. Select files and click recover

Select your desired files and choose Recover x files.


Step 4. Select a new location

Please choose a new location to save the recovered files and click Select Folder to confirm it.

Select Location

🌟Tip: To enjoy unlimited data recovery and recover a large number of deleted or lost files, try to consider upgrading MyRecover to the Pro or Tech edition.

3 Alternative Ways to Recover Damaged Boot Sector Data

If the boot sector on your system is corrupted, the computer will not boot. Apart from recovering data from corrupted boot sector with the help of MyRecover, you can also follow the following 4 ways to repair corrupted boot sector and recover data.

Way 1. Remove Virus

As we mentioned above, a virus or malware infection can cause boot sector corruption.  You can use the Windows Security settings to remove ransomware virus like MBR virus if it is detected. This Windows built-in feature can full scan for your entire system to detect hidden viruses. Generally speaking, when the virus is removed, your computer will return to normal. 

Step 1. Press “Win + I” to open Windows Settings and go to Update > Security Windows Security Virus & threat protection.


Step 2. Click the “Scan options” button.


Step 3. Select “Full scan” and click “Scan now” to begin scanning.


Way 2. Use Command Prompt

You can also run Command Prompt and use the Bootrec/Fixboot command. Bootrec/Fixboot is a command line repair utility available in Windows RE(Recovery Environment). You can use it to fix system startup failures and boot errors.

Step 1. Connect the Windows installation media (bootable USB drive or DVD/CD) to your PC to enter Windows RE. Click Next.

Step 2. On the install Windows screen, Choose Repair your computer.

Repair Your computer

Step 3. Click Troubleshoot > Advanced options > Command Prompt.

Advanced Options

Step 4. In the Command Prompt window, type bootrec/fixmbr > bootrec/fixboot > bootrec/rebuildbcd > restart. Then, restart the system.


Way 3. Reinstall Windows

The last way is to reinstall Windows. Windows reinstallation is one of the most direct ways to solve problems such as disk boot failure, boot disk error, and invalid drives.


However, Windows reinstallation may lead to data loss as it will delete some partitions and overwrite the original data. Therefore, before reinstalling Windows, you'd better make a backup of your data.


If the boot sector is corrupted, it may render the partition inaccessible, resulting in massive data loss. Fortunately, this article provides 4 practical methods to help you repair boot sector corruption and recover damaged boot sector data.

Among these 4 ways, the most efficient way is to use the damaged boot sector recovery software- MyRecover. It is included for a quick and user-friendly solution for creating a bootable media and recovering corrupted boot sector data.

To prevent future loss of valuable data, try this free Windows backup tool AOMEI Backupper Standard. It can create file/folder/system backup and help you restore files from backup quickly.


Will CHKDSK fix boot problems?
If your computer faces the error hard drive won’t boot or displays the "Blue Screen of Death" during startup, running CHKDSK from external media like USB or installation media can help. CHKDSK checks for errors and attempts to fix them before your Windows boots.
Is corrupted BIOS fixable?
To fix incorrect or corrupted BIOS or CMOS settings, a simple method is to reset them to default values. Access the BIOS setup menu during the boot process, often done by pressing a specific key (e.g., F2, F10, Delete).
How to repair Windows boot sector?
Step 1. On the Install Windows screen, choose Next > Repair your computer.
Step 2. In the Choose an option screen, select Troubleshoot > Advanced options > Startup Repair.
Step 3. After Startup Repair shut down and restart your PC to check if Windows boots properly.
What happens if MBR is corrupted?
MBR (Master Boot Record) is a special type of boot sector. MRR corruption results in boot failure, often halting at the GRUB or LILO prompt. GRUB outputs an error message in the form of an Error number before halting the boot process.
How to recover data from corrupted MBR?
The most reliable way to recover lost data from corrupted MBR is to employ reliable data recovery software. Corrupted boot sector recovery tool like MyRecover can help you create WinPE bootable drives and recover data from unbootable systems.
Lori · Editor
Lori receives professional technical training since joining AOMEI, and aims at helping users troubleshoot problems on data recovery and protection. She focuses on simple, efficient and practical methods, and provides professional advice. Being able to help readers and users is her ultimate goal.