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Step 8. Remove the DVD/USB from your PC, and type exit. Type the command lines and hit Enter each time: At the System Recovery Options screen, select Command Prompt. Check "Use recovery tools that can help fix problems starting Windows". Choose the operating system and click Next. Select a language and select a keyboard layout. You can see "Press any key to boot from CD or DVD", press any key to boot from the DVD. Input the command lines and press Enter each time: On the Choose an option screen, choose Troubleshoot > Advanced Options > Command Prompt Move to the install screen, click Repair your computer. Boot from the recovery USB or the original installation DVD. Fix MBR on Internal and External Hard Disk Using CMD to Rebuild MBR 1. EaseUS Partition Master will help you rebuild MBR without data loss. What you are going to do is to rebuild your MBR for re-using your PC. It holds the information of your disk partition. What Happen If MBR Getting Damagedīecause MBR belongs to your PC's startup system, your PC won't be running when your MBR is damaged. The MBR grabs the size and location of each partition on the hard disk.Īs you can check on the image, the MBR consists of three parts: Master Boot Code (Take 466Bytes), Disk Partition Table (Take 648Bytes), and the Boot Signature.

It is the first sector that must be read when the PC is turned on to access the hard disk.

Have you figured out what is MBR? MBR is the abbreviation of Master Boot Record, which is also known as the master boot sector. PAGE CONTENT: What is MBR What Happen If MBR Getting Damaged How to Rebuild or Repair MBR with EaseUS Partition Master (Recommend) Using CMD to Rebuild MBR Extra Tips to Fix MBR in Windows What is MBR