To save your time, here we would like to recommend AOMEI Partition Assistant Standard. Now, back to the point- is there any professional MBR repair tool to fix damaged master boot record? Actually, when you Google online, many free MBR repair tools will come into your sight. MBR overwrite: if the master boot record is overwritten by some programs accidentally, it will become damaged as well. Generally speaking, there are three main causes for damaged MBR either on external hard drive or internal hard drive:Ī virus infection: when a virus is loaded onto your computer, the MBR will become its prior target to infect since master boot record is the most important part of your hard drive.Ī drive failure: if there are some defective clusters on the area where the MBR is located on the hard drive, the master boot record is more likely to become unreadable. Note: If the internal hard drive MBR is corrupted, the Windows cannot boot successfully with popping out meet various Windows boot failure error messages like “ Error loading operating system” “Operating System not found”, “Invalid partition table”, “No bootable medium found”, “ Reboot and select proper boot device”,etc.īefore learning how to fix MBR on hard drive, you might want to know what can cause the MBR damage of external or internal hard drive, so as to prevent possible MBR corruption in future. So you might need a MBR repair tool for external hard drive to ensure that your hard drive can function well. Therefore, when the MBR on your external hard drive gets damaged, you might be unable to access the external hard drive. It’s the first 512 bytes of your hard disk.

MBR is created on the very first partition when you first install Windows.

MBR is a boot sector of the hard disk that contains the important information about the partitions on your hard drive and loads the OS. What causes MBR corruption on (external) hard drive?įree MBR repair tool for external hard drive (Windows 10/8/7) What happens if MBR corrupted on external hard drive? Anyone know any great MBR repair tool for external hard drive? Thanks a lot!”

“I have a 1TB Seagate external hard drive that is damaged and I recently ran a scan with the HDD regenerator and it told me that the Master Boot Record is damaged.

Mac hard drive repair utility