Mbr Repair Tool

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Jul 26, 2021 Top 10 Free MBR Repair Tools for Windows 10/8/7. Step 1 – Create a Bootable Media. Double-click MiniTool Partition Wizard software icon on your desktop and click Launch Application to open this. Step 2 – Run MiniTool Partition Wizard in WinPE Mode. Connect the bootable USB drive or CD/DVD to your. To complete the repair procedure, use bootrec.exe to repair MBR. Bootrec.exe is highly recommended because it has a wide range of system commands meant for recovering boot processes. This tool also serves as an installation base for Windows. Type 'bootrec.exe /fixmbr' then tap enter. Type 'bootrwc.exe/fix boot' then tap enter. Jul 28, 2021 Fix: you need to fix/rebuild the Master Boot Record (MBR) and remove virus to fix the corrupted boot sector effectively. #Factor 8: There Is Software Conflict with System Settings. Sometimes, your system will run as usual after you have installed new software on the computer. However, when you restart the PC the next time, it won’t boot up.

Are you looking for a way to fix the MBR in Windows 10/8/7? On this page, we'll show you what is MBR, the causes and symptoms of MBR corruption, and how to fix MBR with practical fixes.

Check out the fixes and learn how to repair the corrupted MBR and make your PC boot up normally again:

PAGE CONTENT:
What Is the MBR
What Happens if MBR Corrupted
Fix MBR in Windows 10/8/7 with EaseUS Partition Master
Fix MBR Using Command Prompt on Windows 10/8/7/Vista/XP

Note: All the troubleshooting fixes are only available for MBR disk on Windows PC. If your OS disk is with GPT, turn to Repair EFI Bootloader in Windows 10/8/7 for help.

How to repair the damaged MBR? Here we'll provide a safe and reliable procedure to help you. Just follow the directions below.

Workable SolutionsStep-by-step Troubleshooting
Fix 1. Use MBR rebuild tool
  • Boot PC from EaseUS Partition Master bootable disk
  • Right-lick the OS disk and choose 'Rebuild MBR'
  • Select the type of MBR with your OS...Full steps
Fix 2. Rebuild MBR via CMD
  • Boot PC from Windows installation disk
  • Open the Command Prompt
  • Type command lines to fix MBR...Full steps

What Is the MBR

The MBR, short for Master Boot Record, also known as the 'master partition table' or 'partition sector', is a boot sector (a region of your hard drive) that holds information about the partitions of your hard drive and acts as a loader for the operating system you're running.

The Master boot record is created by the MBR generator when you first install Windows on an MBR disk. It's the first 512 bytes of your hard disk as the image shown here.

The MBR partition contains two important components:

Mbr Repair Tool
  • Master Boot Code
  • Disk Partition Table

Both two components work together to transfers program control to the boot sector of that partition so as to continue the boot process and help Windows OS boot up successfully.

Learn More:What Is MBR Disk.

What Happens if MBR Corrupted

Mbr Repair Tool

In this part, you'll learn:

  1. 1. The causes of MBR corruption
  2. 2. What happens if MBR corrupted
  3. 3. When do you need to fix and repair MBR

Mostly, MBR corrupted or damaged error is caused by improper unplugging, sudden power failure, virus infection, etc.

What happens if MBR is corrupted? Corrupted or damaged MBR will stop you from entering the operating system, showing error messages like the operating system not found, or simply a black screen without any prompt message.

So what are the signs of MBR corruption?

If you receive the following error messages while booting up PC, it means that the MBR is corrupted on your PC:

  1. 1.Error loading operating system
  2. 2.Operating System not found
  3. 3.Invalid partition table
  4. 4. No bootable medium found
  5. 5. Reboot and select proper boot device

If anyone of the above symptoms shows up on your PC, don't worry.

You can fix corrupted MBR immediately and make your computer boot up normally again with the fixes as shown in the next parts.

Method 1. Fix MBR in Windows 10/8/7 with EaseUS Partition Master

Applies to: Windows 10, 8.1, 8, 7, XP, Vista; Windows 2000, Windows 2012.

Compared to the manual fixes, EaseUS partition software - Partition Master offers you the easiest resolution to fix MBR. It has a feature called 'Rebuild MBR'. Once the MBR (Master Boot Record) is damaged, you can simply apply this feature to fix the Master Boot Record without destroying the disk partition table.

To fix MBR, you have two options with the help of EaseUS Partition Master:

1. Connect the MBR hard disk to another working computer for repair; 2. Create a WinPE bootable disk to make your computer bootable.

If you have a spare computer, jump to Step 2 for a guide. Without a second computer, follow the process here to fix corrupted MBR on your own:

Step 1.Create a WinPE bootable disk

  • Launch EaseUS Partition Master, click 'WinPE Creator' on the toolbar. Select to create the bootable disk on a USB drive. If your computer has a CD/DVD drive, you can also create the bootable disk to CD/DVD.
  • Click 'Proceed' to finish the process.

Step 2.Boot EaseUS 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'. And then EaseUS Partition Master will run automatically.

Step 3. Rebuild MBR

  • Right-click the disk whose MBR is damaged. Choose 'Rebuild MBR' to continue.
  • Select the type of MBR with the current operating system. Then, click 'OK'.
  • Click the 'Execute Operation' button at the top-left corner and click 'Apply' to build the MBR. After that, your computer can boot normally again.
Do You Need Specialized Services for System Boot Issues?
EaseUS also provides 1-on-1 remote assistance to fix the boot issue. If the solution above does not work for you, please contact our professionals via Email or LiveChat in this page. To ensure our professional assistance work, you are suggested to connect the unbootable system drive to a healthy computer when getting connected with us.

Method 2. Fix MBR Using Command Prompt on Windows 10/8/7/Vista/XP

Applies to: Manually repair corrupted MBR on Windows 10/8/7, Vista, etc.

When MBR corrupted on Windows PCs, you can apply the possible ways to manually fix MBR on your PC using Command Prompt. As the Windows version differs, the specific steps also vary.

Pick up the right resolution to fix MBR on your Windows PC now:

Fix MBR on Windows 10 via CMD

To help you fix MBR in a more straightforward way, you may follow this video to start from 0:25 so as to repair MBR:

Step-by-step guide to open command Prompt to fix MBR in Windows 10:

Step 1. Boot PC from the original Windows installation DVD (or the recovery USB).

Step 2. At the Install screen, click 'Repair your computer'.

Mbr repair tool windows 10

Step 3. Choose 'Troubleshoot' > 'Advanced Options' > 'Command Prompt'.

Step 4. Enter the following lines in Command Prompt and hit Enter each time:

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

Step 5. After this, type exit to close Command Prompt and restart Windows 10.

You should be able to boot Windows 10 successfully now.

Fix MBR in Windows 8.1/8 Using Command Prompt

Step 1. Boot from Windows installation DVD or recovery USB.

Step 2. Select 'Repair your computer' at the Install screen.

Step 3. Go to Troubleshoot > Command Prompt.

Step 4. Type the following command lines and hit Enter each time:

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

Step 5. Type exit and restart PC.

Your Windows 8 computer should be able to boot up normally now.

Fix MBR in Windows 7 via CMD

Step 1. Boot Windows 7 from its installation DVD.

Step 2. Press any key to boot from DVD.

Step 3. Select a language, keyboard layout, click 'Next'.

Step 4. Select 'Operating System' and click 'Next'.

Remember to check 'Use recovery tools that can help fix problems starting Windows'.

Step 5. Click 'Command Prompt' at the System Recovery Options screen.

Step 6. Type the following lines and hit Enter each time:

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

Step 7. Type exit to close the window and restart your PC.

Now, you can visit files and applications on your Windows 7 computer again.

Fix MBR on Windows Vista

Step 1. Boot from Windows Vista installation CD or DVD.

Step 2. Select a language, keyboard layout, click 'Next'.

Step 3. Click 'Repair your computer' at the Install screen.

Step 4. Select 'Operating System' and click 'Next'.

Step 5. When the System Recovery Options appears, click 'Command Prompt'.

Step 6. Type the following lines and hit Enter each time:

  • bootrec.exe /fixmbr
  • bootrec.exe /fixboot
  • bootrec.exe /rebuildbcd

Step 7. Type exit and hit Enter to close the window.

Restart Windows 7 and you can use everything on your computer again.

Fix MBR on Windows XP

Step 1. Boot from Windows XP CD.

Step 2. Open Recovery Console on the Welcome screens.

Step 3. Type 1 and hit Enter.

Step 4. Enter your password and hit Enter.

Step 5. Type fixmbr and hit Enter.

Step 6. Type Y and hit Enter.

Step 7. Type exit and hit Enter.

After this, restart your Windows XP computer, it will boot up normally again.

Conclusion

On this page, we explained what is MBR, what happens if the MBR corrupted, and under what circumstances you will need to fix the MBR. We also collect two practical ways to fix MBR in Windows 10/8/7/Vista, XP.

For the easiest resolution, EaseUS Partition Master worths a try. It's easy and efficient in fixing MBR, making your PC bootable again.

How to Fix MBR FAQs:

1. What does rebuild MBR mean?

Rebuild MBR is a process to repair corrupted MBR Partition Table and restore the Master Boot Code so as to enable computer load and boot up Windows OS again.

Also, reinstalling Windows can fix this issue. But it's not convenient and even complex for Windows beginners. To rebuild MBR is easier and time-saving.

EaseUS Partition Master is featured with the function of rebuild MBR, so it will help you solve the MBR corruption issues very easily in a few clicks.

2. Does delete MBR erase data?

If the MBR is deleted, the entire hard drive and data will be inaccessible. Generally, you can't directly access or see it in Windows File Explorer or in Disk Management. Also, to make the OS bootable, it's not allowed to edit or make any changes to it.

3. Where is the Master Boot Record MBR located?

The Master boot record is created when you first install Windows, on the first partition you create. The Master Boot Record is the first 512 bytes sector on your hard disk.

4. How to fix MBR error: Bootmgr is missing

Here are some quick fixes that you can try to fix 'BOOTMGR is missing' error:

  • Restart PC
  • Reset all internal data and power cables
  • Remove all removable media
  • Change the boot order in BIOS
  • Copy or recreate BCD file
  • Repair corrupted MBR

For more detailed steps, you may refer to Fix BOOTMGR Is Missing in Windows 10/8/7 for help.

5. How to fix MBR error: Operating system not found

Try the listed fixes, you'll be able to make your PC bootable again from Operating System Not Found error:

  • Check BIOS
  • Reboot from a bootable disk
  • Set BIOS to its default settings
  • Rebuild MBR using CMD or partition manager software
  • Set correct partition active

For a step-by-step guide, follow Missing Operating System for help.

The Master Boot Record (MBR) is quite possibly the most important piece of data stored on you hard drives or USB flash drives. For those that aren’t exactly sure what the MBR is, it’s basically a small dedicated section of the drive which holds vital information about the disc including its boot information and the layout of all the partitions stored. The MBR area itself is tiny being only a 512 byte sector and is the very first piece of information held right at the beginning of the disc.

If your Master Boot Record becomes corrupted through drive errors or malware etc, it could stop you booting your operating system and in the worst case, cause all the partitions on the drive to be lost because the drive doesn’t have the correct information to identify them. If your system has a standard disc layout, it’s always possible to write a new standard MBR using the Windows XP Recovery Console and the FixMBR command. Or you can use a Windows 7 install disc and select the “Repair your computer” -> Command Prompt option with the Bootrec /fixmbr command which also works on Vista and Windows 8 from the Windows 7 disc.

As the Master Boot Record is such a vital part of your system, it makes sense to have a backup of it just in case the worst happens. And being only 512 bytes in size means it takes up no room at all and can be stored anywhere. This could save hours of frustration trying to recover your files from damaged partitions. So here are 8 free tools that can help you to easily backup and restore your system’s Master Boot Record (MBR) for some extra piece of mind.

1. MBRWizard

MBRwizard is quite a powerful utility and can be helpful in dealing with all sorts of MBR related problems. It was originally designed to repair the damage left on occasion by disk imaging applications such as Symantec Ghost and Acronis True Image, but has matured into a program to repair all sorts of MBR related issues. It also supports GUID Partition Tables, removable media and VMware disks. Backing up and restoring an MBR is easy with the Save and Restore commands with optional use of Vol/Disk.

The odd thing is MBR Wizard’s online documentation doesn’t list the proper commands for saving or restoring the MBR in newer versions of the tool. It was:

Mbr Repair Tool Ubuntu

MBRWiz /Save=C:MyMBR.Dat

but now it’s:

MBRWiz /Save=MBR /Filename=C:MyMBR.Dat

The same command change is present with MBR restoration. As a result of this change, some of the old MBR Wizard GUI frontend tools (MBRWhisky/Ultimate MBRGUI) won’t work if you update the MBRWiz.exe they come with. The MBRwizard command line version is freeware, and there’s also a shareware version with its own frontend, which might explain the command change, to make the old freeware frontends useless!??

Tool

2. BOOTICE

Free Mbr Repair Tool

BOOTICE is more of a general boot sector/MBR editing tool because it has a lot more useful options for advanced users and is quite a powerful tool. There are extra features such as a Grub4DOS menu editor, disk and sector wiping tool, visual BCD editor for NT 6.x systems, edit the MBR/boot sector of IMG, IMG, VHD, VHDX and VMDK images, a partition manager and a disk sector editor. The options to backup and restore the Master Boot Record or the Partition Boot Record (PBR) are via the Process buttons on the Physical Disk tab and you can also install a boot loader from a variety of different choices such as Plop, Grub4DOS, NT 5.x/6.x and BOOTMGR or NTLDR. The 1st sector or as many as you wish can simply be backed up to a file ready to restore later on. As well as the portable GUI, BOOTICE has extensive options available from its command line.

3. MBRtool

MBRtool is a utility that runs in DOS and is designed to backup, restore and verify your hard disk’s Master Boot Record. In addition it can also edit or wipe the partition table and blank or remove the boot code. MBRTool will support the first 4 hard drives present in the system. The program comes with its own bootable media builder where you can write an image to floppy, burn it to a CD or extract the MBRTool executable to be used on the command line or in scripts. Backing up and restoring is menu driven and easy to operate if you enter no arguments or double click the EXE while the more manual commands can be used like any other command line tool.

4. HDHacker

HDHacker is a much more user friendly tool with the Windows GUI making it very easy to backup and restore the MBR with a few clicks. It’s able to backup and restore the Maser Boot Record to the physical drive, the boot sector from a logical drive or a specified number of sectors up to a maximum of 16. They can be saved to a file or loaded back in and written to just about any type of drive. Although it will probably look like a mixed up mess in the viewing pane to most people, others may be able to trace problems or even possible boot sector viruses from the information.

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I’ve got a pen drive in MBR format and wish to convert it back to NTFS. Please which of these softwares can do that for me? I don’t care about the files in the drive so I don’t mind formatting. All I Want is to make my pen drive Usable again. Thanks

Reply
syed ali hosseini4 years ago

i rally like those softwares and i respect this website,you actually posted best sofwares ,thank you greats

Reply

I am running on Windows 7, every time I have to repair my MBR for a successfull boot. Is there anything which can permanantly repair my MBR please?

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F.S.A.5 years ago

Some weeks ago I downloaded Bootice without any problems, but some days ago my antivirus deleted it because I tried to unhide a partition, so the antivirus classified it as a suspicious malware operation and deleted it automatically. Unfortunately I didn’t make a backup copy of the program, so I tried to download it again from the link given there, but the server (bbs.ipauly.com) gave me a “500 Internal Server Error”. I tried so many times but that server is still not working. Could you please help me and give me another link?
Thank you.

Reply

The link has been updated with an alternative download page.

Reply
F.S.A.5 years ago

Ok, thanks very much, another time you suggested me a very good software. Keep this blog going.

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Is it possible to copy all bootfile from a bootable usb with this? I need to make a pcmcia card bootable with fat16, dos and haven’t found any tool having support for pcmcia in dosmode….

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Don Jwan5 years ago

I did create a restore point just yesterday and also made a full files backup, but MBR was corrupted and when starting windows I only get the “Dell Utility Boot Menu”.
Can I restore the MBR even if I don’t have a saved MBR specifically?
Thanks – Don

Reply

You can try something like BootIce to create a new MBR although you should make sure you have a full backup of the system first, just in case…

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Yume6 years ago

Can someone tell me how to fix my Dell USB Portable HDD? I try to fix it with HDD Regenerator but it is said “Master Boot Record of this hard drive is Damaged!”. It’s probably because of my HDD fell (but still hang on the USB cable) and hit the other thing when still working on my notebook. Is it possible to fix my HDD now..?
I didn’t understand a thing about this, and now I’m googling around hope I can fix my HDD if possible…

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See my (pol098) response to the same question below; even the fiorst sentence is unfortunately still relevant: “Probably too late for the asker of the question, but often a standard MBR is used …”. A good tool for manipulating the MBR is BOOTICE.

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Nick6 years ago

Hi, so I know this is an old thread, but what if I don’t have a backup of my MBR and it is now corrupt and showing as a RAW drive in windows. I dont want to lose the 2TB of data, any ideas. Thanks in advance

Reply

Probably too late for the asker of the question, but often a standard MBR is used, and there are several tools to create one. There are also tools that can help in the case of a non-standard MBR; they require a fair amount of experimenting. Unlike other disc corruption, you can try several possible MBRs without too much risk of damaging the data on the drive (which you can’t get access to until you’ve sorted out the MBR). This reply should be moderately helpful despite not naming the tools (I haven’t done this for a very long time); if you know that something can be done, it’s not too hard to find out how.

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john7 years ago

ok, so if i save a copy of my mbr to c:mbr.dat and then my mbr gets corrupted , i won’t be able to restore my copy of mbr from that location because all data on my drive will be inaccessible without a valid mbr? help, confused now…..i guess i’d better save it to a different drive

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Yes, of course you don’t keep the copy of the MBR on the C: drive, we were just using that as an example location. It’s like backing up your files or hard drive, you store it in another location so you can restore after a severe problem.

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dave6 years ago

There’s always the possibility that you did something which damaged your MBR but did not wipe your backup off the drive.

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thhhhhhhhhhhaaaaaaaaaaaaaaaaaaaaaaaankssssssssssss………………………
i made damage to a friends usb and i owed 3000 rs .u saved meeee.

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bclarkutah7 years ago

Mbr Repair Tool Free Download

Hi Raymond. Which if any of these tools will allow me to move a missing mbr from an older computer to a new computer? For instance, when running a specific program, the program will not continue because it says grldr.mbr is missing. Thanks for your response in advance.

Reply

There’s plenty of these tools mentioned on Hirens Boot CD, you can boot with that and restore a previously saved MBR to your drive.

Trying to use an MBR off another hard drive won’t work because an MBR stores drive and partition data as well, so you’ll screw up the whole partition.

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FiB3R8 years ago

Does the MBR change whenever files are modified on the drive? Just wondering if regular backups should be made.

Thanks.

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No, the MBR only changes when you’re doing something like formatting the drive, creating/deleting partitions or installing Windows.

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nas10 years ago

Thanks for the list, just what I needed.
Good job mate!

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Excellent stuff! I have used mbrwizard for years, and am very pleased with this little app, but it’s always nice to keep up with the various technologies. Thanks for your willingness to test and share!

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techniqueal t.13 years ago

this is a fantastic find! MBR definitely needs back up and your list offers a perfect solution.

wonderful post!

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this is great!! thanks

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sam13 years ago

Amazing article as always, you rock Raymond.

Bootable Mbr Repair Tool

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Many thanks Raymond,
No matter how much we know – there are always things to learn. This sort of concise explanation is helpful and right on the button for the huge number of members who have little expertise or in-depth knowledge of the vaguaries of harware and software. Thank you from all of them.

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Mojo13 years ago

Thanks for the article, just when I need it.

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very useful tips.. when my MBR gone, i had to reformat my pc .. but now i didn’t need to reformat … just restore the MBR.
Thank you.

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ray13 years ago

Great. Thanks..

Reply

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