A damaged MBR causes the computer to fail to start and data to become inaccessible.
This article fromMiniToolis dedicated to explaining how torecover data from corrupted MBRand repair corrupted MBR without losing data.
Besides, some useful precautions are introduced to help you prevent MBR corruption.
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What happens if the MBR is corrupted or damaged?
Is it possible to complete data recovery without the computer being able to enter the Windows system?
Fortunately, the answer is positive.

It supports restoring both deleted/lost and existing files on the file storage devices.
Now, follow the steps below to recover files from corrupted MBR.
Process 1.

Download, install, and launch MiniTool Power Data Recovery Free on a working computer.
MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe
Step 2.
Thenboot from the MiniTool bootable USB media.

Process 2.
Perform Data Recovery Steps
Now, you should be at the main interface of MiniTool Power Data Recovery.
It is time to scan the computers hard drive and recover data from corrupted MBR.

Or, it’s possible for you to move on to theDevicestab to scan the entire disk.
Moreover, theFilterandSearchfeatures are also helpful for quickly finding desired items.
TheSearchfunction makes it possible to locate a certain file by using a partial or complete file name.
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Finally, select all files that you want to recover and click theSavebutton.
In the new window, choose a safe file storage location to store the recovered items.
With the bootable edition, you are able to recover unlimited data.

My computer wont start correctly due to a corrupted MBR.
Solution 1.
Repair Damaged MBR via CMD
it’s possible for you to repair damaged MBR via Command Prompt.

The major steps are as follows:
Step 1.
Prepare a USB drive and use it tocreate a Windows installation media.
Connect the installation media to the unbootable PC and boot from it.

When you see the following window, press theRepair your computeroption.
Next, clickTroubleshoot>Advanced options>Command Prompt.
In the command line window, key in the following commands sequentially.
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you gotta pressEnterafter each command.
Solution 2.
Are there any other ways to repair a corrupted MBR?
Note that the free edition of this software does not offer the option to create a boot disk.
Here are the major steps to repair MBR:
Step 1.
Download, install, and run MiniTool Partition Wizard Free on a functioning computer.
MiniTool Partition Wizard FreeClick to Download100%Clean & Safe
Step 2.
Insert a USB drive that does not have any vital data to the computer.
Next, click theBootable Mediaicon from the main interface of MiniTool Partition Wizard Free.
Sequentially, unlock the advanced features according to the on-screen instructions.
After that, create a bootable media by referring to the screen prompts.
Insert the bootable USB drive into the unbootable PC and boot from that drive.
Finally, click theApplybutton on the lower left corner to make this operation take effect.
After that, it’s possible for you to remove the bootable media and restart the computer.
Hard disk partition was accidentally deleted?
Now you might get the most effective solution to recover data after deleting a partition.
Solution 3.
Be aware that this may put you at risk of data breaches and significant financial expense.
you might use Windows Defender that comes with Windows or choose a trustworthy third-partyantivirus software.
Keep Windows versions up-to-date:New versions of Windows will fix known vulnerabilities and optimize some bugs.
But there is no need to worry.
We are always ready to provide comprehensive instructions.