How to fix Windows 10 MBR without CD [FULL GUIDE]

The information shows you how to recover the master boot record (MBR) in any version of Windows: Windows XP, Vista, 7, 8, 8.1, or 10.

What is MBR?

MBR (meaning ‘master boot record’) is a boot sector (an area on the hard drive) that contains information about the hard drive partitions and provides a charger for the mobile phone system of your choice ۔


When you first install Windows, a central record of this storage is created for the first partition you create. This will be the first 512 bytes of your hard disk.

If the MBR is damaged, you will not be able to use Windows. All versions of Windows. Use Windows XP, Vista, 7, or 8-MBR and if damaged, you can’t restart.

 

  • Backup

You can back up the MBR because it is stored on the hard disk and you will restore it later if needed. All you need is one command to back up MBR.

dd if=/dev/sda of=/path-to-save/mbr-backup bs=512 count=1

 

  • Restore

dd if=/path-to-get/mbr-backup of=/dev/sda bs=512 count=1

Fixed: Rebuild the MBR manually

 

You can see a look at the reconstruction of the BCD when the error winload.efi appears due to some corrupted BCD file.

  • Insert the installation disc
  • Restart your computer and restart with Disk
  • Click Restore Personal Computer
  • Select the command window on the recovery options
  • Follow the instructions below:

 

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

 

Press the button Enter after each and remain for the commands to finish
Restart your computer

 

Fix the MBR in Windows 10

  • Start the original installation with a DVD (or USB recovery)
  • On the Welcome screen, click Restore your computer
  • Select Troubleshooting
  • Choose a command prompt
  • When the command prompts, type the following commands:

 

  • bootrec /FixMbr bootrec /FixBoot bootrec /ScanOs bootrec /RebuildBcd
  • Press the button Click Enter after each command and wait for each process to complete
  • Remove the DVD from the disc tray
  • Click Exit
  • Press Enter
  • Restart your computer and the provider may start Windows 10 immediately

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