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A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBRs was publicly introduced in 1983 with PC DOS 2.0.
System restoration method and device, and electronic device
PendingCN122309246AFully release storage capacityReduce procurement costsOperational systemRestoration method
This application provides a system restore method, apparatus, and electronic device. The method includes: in a temporary operating system environment, modifying the partition information of a non-boot drive to first partition information; transferring file data from each partition of the boot drive to the corresponding partition of the non-boot drive; copying the partition boot code and partition boot flag from the master boot record (MBR) of the boot drive to the corresponding partition area of the non-boot drive; modifying the partition information of the boot drive to second partition information and clearing the master boot record of the boot drive; installing a system boot manager on the non-boot drive; and swapping the identification information of the boot drive and the non-boot drive. The technical solution provided by this application can migrate the system and important data to an existing non-boot drive in an electronic device after the boot drive is damaged, realizing the role swapping of the boot drive and the non-boot drive and reducing the hardware cost of system restore.
Owner:SHENZHEN YANXIANG INTELLIGENT TECH CO LTD