

Boot your computer using the Windows bootable drive and press any key to boot from CD or DVD. If you are proficient in computers, let us take a look at how to fix MBR on a hard drive/USB/SD card together. If you are a computer beginner and are not familiar with the command line, in order to avoid serious damage caused by misuse, we recommend that you use the automatic MBR repair tool.

All these methods require the original Windows installation DC/DVD to repair the master boot record. In this section, we will demonstrate how to fix the MBR in Windows 10, 8, 7, Vista, and XP respectively. How to Repair Damaged MBR Using Command Prompt How to Fix the Damaged MBR With a Free MBR Repair ToolĮaseUS Partition Master is a professional disk and partition management tool that offers the MBR repair feature for you to deal with the damaged MBR on a hard drive.


Master Boot Record of This Hard Drive Is Damaged Like the disk layout for the MBR displays, the first 446 (0x1BE) bytes belong to the MBR itself, the next 64 bytes are the Partition Table, and the last two bytes in the sector are a signature word for the sector and are always 0x55AA. The MBR exists in the form of executable codes, which always reside on the first sector on the disk. The Master Boot Record is an important data structure on a disk, which is created automatically when the disk has been initialized or the first partition is created. Boot EaseUS Partition Master Bootable USB.
