One of the effective troubleshooting steps, to fix boot issues is to repair Master Boot Record, or MBR. One of the common reasons why an MBR can get corrupted is due to malware infections. Improper shutdowns can also lead to MBR corruption. Sometime we may find issues where Linux Grub is installed and Windows is not able to detect it. On some occasions, you may get the Bootmgr is missing error. In such cases you can run the rebuild or repair MBR to fix these issues.
<a style=”color: #003399; text-decoration-line: none;” href=”http://microsofthelpnumbers.com/” target=”blank”>Repair Master Boot Record MBR The process is almost same for Windows 10/8/7. First and foremost you need a <a style=”color: #003399; text-decoration-line: none;” href=”http://microsofthelpnumbers.com/blog.html” target=”blank”>Windows installation DVD. Without that, it will be hard to proceed.
Press F8 while booting the system to go into the Windows Recovery Menu. Unlike other version Windows 8’s recovery menu has the Metro UI style.
Click on Advanced options to get into Automatic Repair menu.
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We need to use the Bootrec.exe tool. Click on command prompt and type in the following commands, one after the other:
bootrec /RebuildBcd bootrec /fixMbr bootrec /fixboot
Exit and now go ahead and reboot your system. In some cases, you may need to run some additional commands.
bootsect /nt60 SYS or bootsect /nt60 ALL
It’s wise to backup MBR or create a System Recovery Disk so that in case something like this happens you don’t have to run for the Windows Recovery Disk. To create a system recovery drive in Windows, follow these steps:
Press Win + R and type in RecoveryDrive.exe
Click Next Once you insert the USB drive it will start creating the Recovery for you’re USB drive. You can also check out this video I created for Windows 7.
I hope you find the article helpful. In case if you have any questions please feel free you post it under our comments section.