How To Repair Hard Disk Mbr

Summary :

MBR is an essential role of booting the computer. However, if the MBR of Windows is damaged, what yous demand do is to fix MBR. And so how can yous rebuild MBR with ease? This post shows you how to fix MBR with the step-by-step guide.

What Is MBR?

MBR, whose total proper name is principal boot tape, is created on the starting time partition on your computer when you install Windows. It is the first 512 bytes of your difficult disk. And it is a kick sector at the beginning of the partition, which is used to kicking the figurer.

So MBR is the virtually important slice of data that enables your PC to find and identify the location of Bone to allow Windows to boot.

However, if the MBR is damaged or corrupted, what will happen? In general, when MBR is damaged, your computer may fail to boot. And hither, we will simply testify you what happens if MBR is damaged or corrupted.

What Happens If MBR Is Damaged or Corrupted?

As we take mentioned in the above content, MBR is an essential part of booting the computer. Therefore, when it is damaged, your computer volition fail to boot and you also will run into different kick errors.

ane. Bootmgr is missing.

When the MBR on your hard disk is missing corrupted, you may encounter the error bootmgr is missing.

2. Error loading operating system.

You may also encounter the issue error loading operating system when the MBR is damaged or corrupted.

iii. Operating System not constitute.

Many computer users mutter that they encounter the problem operating system not found when they boot their computer. So, this issue would occur when the MBR is damaged.

four. Invalid partition table.

The issue invalid partition tabular array oft occurs when you are booting your computer Windows 10/8/8.one/7.

5. Reboot and select proper boot device.

When you boot your figurer, you may encounter the issue reboot and select proper boot device acquired by corrupted or damaged MBR.

Related article: Superlative three Means to Kicking Managing director Failed to Find OS Loader

From the in a higher place data, you tin observe that at that place are many kick errors when the MBR is damaged or corrupted.

Thus, do you know how to prepare these problems or do you know how to gear up MBR Windows 10/8.one/8/7? If you don't know, don't worry. This post will testify you the step-by-step guide for Windows fix MBR.

Fix MBR with Command Prompt

In this part, we will prove you the first way to rebuild MBR. In this way, you lot need to input different control prompt. And aiming at Windows x/viii.1/viii/7, we will show you how to set MBR separately.

Fix MBR Windows 7

First of all, we will show you how to fix MBR Windows seven. Yous can refer to the step by step guide.

Stride one: Create Windows Installation CD/DVD

To ready MBR, y'all need the Windows Installation CD/DVD to boot your estimator since your estimator is unable to boot from the operating system. If yous already have a Windows Installation CD/DVD, you can ignore this step and only get to Pace 2.

Click hither to download the Windows media cosmos tool.
Run this tool and move on according to the instructions to create the Windows Installation CD/DVD.

Step 2: Boot computer from installation media

Connect the installation media to your computer and boot from it.
Select the language.
Click Next.
Click Repair your estimator.

Step three: Open the Command Prompt window

Select a keyboard input method and click Next.
Input the password if you have.
Cull Command Prompt.

Step 4: Input the post-obit command

bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd

Please hit Enter after each command.

When the Windows fix MBR process is finished, y'all can leave the command line window and reboot your reckoner to check whether information technology can boot normally.

Notwithstanding, if the control bootrec /rebuildbcd fails to work, you can apply the post-obit command to export and erase the BCD store and using the Rebuildbcd command once again to fix MBR Windows 7. Delight note you need to hit Enter to continue after each command.

bcdedit /consign C:\bcdbackup
c:
cd boot
attrib bcd -s -h -r
ren c:\kick\bcd bcd.backup
bootrec /rebuildbcd

Then you are required to printing Y to confirm adding the installation to boot list and exit the control line window.

After this Windows fix MBR, you can reboot your computer to check whether it can kicking usually.

Set MBR Windows 8/viii.1/10

Now, nosotros will prove you how to fix MBR Windows 8/8.1 and how to fix MBR Windows ten. Every bit a affair of fact, to fix MBR Windows 8/8.1 and fix MBR Windows 10, the solutions are same. And here, we volition show y'all how to fix MBR Windows ten every bit an example.

We volition evidence you how to fix MBR Windows x with the step-by-step guide.

Step 1: Boot the computer from the installation media

Create the Installation CD/DVD. If you don't know how to create the installation CD/DVD, you can refer to the Step 1 of fixing MBR Windows 7.
Kick your computer from the installation media.

Step ii: Enter the Control Prompt window

After booting the computer from the installation media, click Next based on the instructions.
Click Repair your computer to continue.
Click Troubleshoot > Advanced options > Command Prompt to proceed.

Step 3: Input the post-obit commands

bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd

Tip: Please remember to hitting Enter after each command.

If the bootrec /rebuildbcd command fails to piece of work, you can input the same command of fixing MBR Windows 7 to consign and erase the BCD store and using the Rebuild BCD command again to perform Windows set MBR.

When you have finished all steps, you can remove the installation media and change the BIOS order. And so reboot your calculator to bank check whether your computer tin can kicking usually.

Since the way to fix MBR Windows eight/viii.1 is the same as the solution to fix MBR Windows 10, you tin accept the aforementioned way to perform master boot record repair if you are running Windows eight/8.1.

Fix MBR on EFI on Windows 10/viii.ane/eight

At here, nosotros volition introduce another situation of Windows set up MBR. Exercise you know how to fix MBR if the deejay is GPT?

Don't worry. We will show you how to repair MBR Windows x/8.i/8 with step by step guide.

Step 1: Enter the Command Prompt window

Boot the estimator from the installation media.
Click Repair your computer.
Click Troubleshoot > Advanced options > Control Prompt to keep.

Step two: Type the post-obit commands

diskpart
select disk 0
list vol

Stride 3: Cheque the EFI segmentation and assign a drive letter of the alphabet

sel vol * (* represents the number of volume)
assign letter =x: (x represents the drive letter)
get out

Annotation: The EFI sectionalization must be formatted to FAT32.

Step 4: Repair MBR Windows 10/8.1/viii by inputting the post-obit control

cd /d x:\EFI\Microsoft\Kick\ (10 represents the drive letter)
bootrec /fixboot
ren BCD BCD. fill-in
bcdboot c:\Windows /l en-the states /southward x: /f ALL

If the drive letter where your operating organization is installed is different, you need to replace the letter c with a different drive letter of the alphabet.

When you accept finished all steps, you can remove your installation media and exit the command prompt window. And then reboot your reckoner to cheque whether your computer can boot normally.

Withal, if you don't have the Windows installation CD/DVD, how can you lot set MBR?

And in the post-obit part, nosotros will show you how to prepare MBR Windows 10 without CD.

Fix MBR Windows 10 Without CD

In this part, we volition show you how to fix chief boot record if you don't have the Windows installation CD/DVD.

To fix MBR Windows 10 without CD, you need the help of an MBR repair tool. Thus, the MBR repair software – MiniTool Sectionalization Sorcerer is strongly recommended.

MiniTool Partition Sorcerer tin assistance you to gear up MBR with ease on Windows seven/8/eight.ane/10, just requiring a few clicks.

MiniTool Partition Wizard is designed to optimize partitioning and deejay employ with its powerful features. It can completely control your sectionalisation and disk with its various features, such equally migrating Bone to SSD, cloning hard drive, catechumen MBR to GPT, and and then on.

Related commodity: 2 Reliable and Powerful MiniTool SSD Cloning Software (No Information Loss)

Thus, you can get MiniTool Sectionalization Magician Pro immediately and we volition testify you how to fix MBR Windows 10/8.i/8/7 without Windows Installation CD/DVD.

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Pace 1: Create the bootable media

Install MiniTool Partition Magician on a normal computer.
Launch it to enter its primary interface.
Click Bootable Media feature to create the bootable media which can help you to boot your computer.

Note: If you are running Windows 10, you lot need to create the bootable media on a normal figurer that is also running Windows x. If y'all are running Windows seven, you demand to create the bootable media on the normal computer running Windows 7.

Pace 2: Boot the figurer from the bootable media

Connect the bootable media to your computer.
Change BIOS order.
Boot the computer from the MiniTool bootable media.

Related article: How to Kicking from Burned MiniTool Bootable CD/DVD Discs or USB Wink Bulldoze?

Step 3: Repair MBR

Enter MiniTool Recovery Environment.
Select the system disk and right-click information technology.
Choose the Rebuild MBR feature from the context menu to gear up MBR Windows x/eight.1/8/7.

Step 3: Confirm the changes

Click Utilize to confirm the changes.

Later on you have finished all steps, you can reboot your computer to check whether your computer tin kick usually.

Every bit yous can see, to fix MBR, MiniTool Sectionalisation Wizard is easier than inputting the commands.

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Meanwhile, apart from the Rebuild MBR feature, MiniTool Partition Wizard also enables you to input the commands to fix MBR. It is the Control Console feature of MiniTool Partition Wizard.

Later entering the chief interface, you tin can also input the same commands to prepare MBR Windows 7/8/8.one/x even though y'all don't have the Windows installation CD/DVD.

So from this post, yous can know different means to prepare MBR Windows 7/8/viii.ane/ten. And if y'all encountered the corrupted or damaged MBR trouble, you tin can try these ways to rebuild MBR.

I take encountered the damaged MBR trouble, but I accept used MiniTool Partition Wizard to repair MBR and now it can kick unremarkably. Click to tweet

Subsequently you take solved the trouble, yous had better create a system epitome so that yous tin can use information technology to perform some recovery solutions when some accidents happen.

Bottom Line

In determination, we accept introduced what the MBR is and what issues you may run into if the MBR is damaged or corrupted. And nosotros too have introduced dissimilar ways to set up MBR.

Equally far as I can see, the MBR repair tool – MiniTool Partition Sorcerer is more convenient to rebuild MBR. At the same time, if you lot have whatsoever better solution to ready MBR, please share it on the comment zone.

And if yous have any problem of MiniTool Partition Wizard, delight feel complimentary to contact usa via the email [email protected].

Set up MBR FAQ

What does rebuild MBR do?

MBR is the master boot tape, is created on the first partition on your computer when you install Windows. It is the beginning 512 bytes of your hard disk. And information technology is a boot sector at the beginning of the division, which is used to boot the computer. When the MBR is corrupted, your estimator will fail to boot. Later rebuilding MBR, your computer volition boot successfully.

What happens if MBR is corrupted?

The Chief Boot Record is the essential role of the estimator. If the MBR is corrupted, your computer volition fail to boot.

Does rebuilding MBR delete data?

Rebuild MBR will not lose data. To rebuild MBR, you can use the professional partition manager – MiniTool Sectionalization Wizard.

What causes MBR abuse?

MBR corruption tin exist acquired past various reasons. The most three mutual ones would exist a virus infection, a bulldoze failure or an MBR overwrite caused by a program.