If you have been using Microsoft Windows for a long time (who hasn’t!), then you would have experienced situations where your computer refuses to get to the login screen (again, who hasn’t!).
So, how does BOOTMGR actually work, and why should you care? Let me start by explaining why you should care to learn how the Windows Boot Manager works. When you start your Windows 10 (or 11) PC, the BOOTMGR is responsible for making sure that your Windows gets to the login screen. Rather than trying to explain with more tech terms, I believe that this will make it easier to understand… Then, when the computer starts up, the BOOTMGR hands over control to the Operating System, for example, Windows 11. With all this in mind, I’ll now define the Windows Boot Manager (BOOTMGR) as Microsoft’s UEFI application that interacts with your computer when it is starting up. Then, on a different layer, the OS interacts with the firmware in the process. So, as you send and receive information to and from your computer, the OS interacts with you. The firmware then works with the Operating System (OS) to interact with the various hardware components on your computer. Without confusing our non-tech readers further, firmware is software that manages the various hardware in a computer. Now, it is getting all confusing since I just used another tech term, “ROM,” but I will now stop explaining. Ok, I just used the word “firmware” while explaining “UEFI application.” A firmware is a computer program that is written into the computer’s ROM (Read-only Memory). If you’re wondering what a UEFI application is, in its basic form, it is an application that connects a computer’s firmware to its Operating System.
The Windows Boot Manager is a UEFI (Unified Extensible Firmware Interface) application provided by Microsoft.
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