

The boot manager will execute winload.exe, which is the system loader that is used to continue the Windows boot process. If there’s no the “System Reserved” partition, probably the BOOTMGR is located on the primary hard drive (in most cases it’s C drive). In most Windows PCs, this partition is labelled as “ System Reserved” without hard drive letter. It is marked as “Active” in Disk Management. The BOOTMGR file itself is both read-only and hidden, which is located in the root directory of the partition. The database replaces the boot.ini file used in old Windows versions like Windows XP. The configuration data that BOOTMGR requires can be found in the Boot Configuration Data (BCD) store, which is a registry-like database. Besides, MiniTool will offer more information to you. It enables you to boot Windows 10/8/7 or Windows Vista operating system. Windows Boot Manager (BOOTMGR), a small piece of software, is loaded from the volume boot code that is a part of the volume boot record. How to Enable/Disable Windows 10 Boot Manager.
