These applications can also help you flash the device with a new OS image and to capture and save crash dumps along with the associated logs to better understand any Windows issues. Windows Boot manager also lets you choose a specific operating system to load if your system contains multiple operating systems. It can also provide access to several boot applications before loading Windows, which let you update, reset, or format your device. what happens when you first turn on your device. It is loaded from the volume boot code of your device’s hard drive, and it enables you to set up the boot environment, i.e. Windows Boot Manager (Bootmgr.exe) is Microsoft’s proprietary Unified Extensible Firmware Interface (UEFI) application. Fixing Boot Configuration Data (BCD) errors.

Repairing the master boot code and boot sector.How to use Windows Boot Manager to fix Windows 10 boot errors.Using the Startup Repair tool to repair the Boot Loader.Most common problems during the Boot Loader phase.Enabling and disabling Windows Boot Manager.

Uefi boot manager