The boot sector can experience the same types of problems as any other part of your hard drive-missing files, corrupted files, and even physical damage. It’s this boot strapping process that allows the initial bits of the Windows code to start loading. The master boot code scans the partition table, determines the active partition, loads a copy of the boot sector into the PC’s RAM, and hands off the startup process to that code. The BIOS then loads the master boot code into the PC’s RAM and hands off the startup processes to it. When a PC starts, the initial power-on routine is handled by the BIOS. The boot sector also hosts the Master Boot Record (MBR), which contains the disk signature, partition table for the disk, and a small bit of code called the master boot code. The boot sector contains some code and data that helps BIOS hand off control of the startup process to Windows. The boot sector is a small section at the beginning of a hard drive that gets created whenever you format the drive. RELATED: What's the Difference Between GPT and MBR When Partitioning a Drive? What Are the Boot Sector and Master Boot Record?
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