Boot sector is very important for any computer to use its drives or hard disk partitions. It is the first sector on hard disk which contains partition table and master boot record. It contains information about logical partition such as machine code which an operating system use to boot. Damage or lost of boot sector file will make the partition inaccessible and user may end up with data loss. If the boot sector get corrupted then it will display error message such as Disk Error or Non System Disk. If you are also suffering from the same and want to recover data after boot sector corruption then keep reading.