So, in order to completely repair your MBR, it is recommended to go for third-party professional tools. These methods also require good technical knowledge of DOS and hence novice users may find themselves in doubtful situation while using them.
Limitations of Manual Tricks or Solutions.Īlthough these methods prove beneficial in repairing your Damaged & Corrupted Master Boot Record but it is not guaranteed all the time.
bootrec.exe/scanos to scan the operating system and adding any missing windows configuration.bootrec.exe/rebuildbcd to rebuild boot configuration data.
bootrec.exe/fixboot to write new boot sector.bootrec.exe/fixmbr to repair damaged MBR.Once the system is booted, navigate to Troubleshoot > Advanced options > Command Prompt > and then execute this command - bootrec.exe /fixmbr.Boot the system using recovery disc or system repair disc.Restart the computer to check if the problem still persists.Now type ‘EXIT’ and then press ‘Enter’.Once the process is completed, remove the CD from system.Note: Here ‘>’ denotes that you press ‘Enter’ after each step.
It contains an executable code for the boot start. Total bytes contained by MBR are 512 out which Boot Loader contains 446 bytes, Partition table contains 64 bytes and remaining 2 bytes are for Magic Number.īoot Loader: Whenever you turn your computer, boot loader is the program which will load your operating system.
It is further divided into three parts which are Boot Loader, Partition Table and Magic Number. MBR is always located on the first sector of the disk and created automatically once the disk has been initialized/partition is created. "File Error: Data may have been lost." More about Master Boot Record (MBR) The Master Boot Record gets corrupt due to unexpected system shutdown, Virus attack or attack from other malware which may completely hamper the functionality of the operating system by altering their programs. MBR is the most quintessential part every time you start your computer. Fix Damaged & Corrupted Master Boot Record (MBR)