How to Fix Inaccessible Boot Device Error in Windows 11 [2024 Tutorial]

How to troubleshoot BSOD Inaccessible Boot Device Error in Windows 11
Blue and black Screens of Death errors can be caused by problematic software or by faulty hardware.
It’s common for all BSoD errors to crash Windows 11 and restart your computer in order to prevent damage.
Since these types of errors can be rather serious, today we’re going to show you how to fix INACCESSIBLE BOOT DEVICE error.
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INACCESSIBLE_BOOT_DEVICE errors are often hard to diagnose because many problems could cause them. They usually result in a Black Screen of Death that doesn't go away until you address the issue.
It often appears after you've made a recent change to the computer, whether software or hardware. You could also see it during a Windows installation. It usually triggers an automatic reboot and maybe even an automatic repair attempt by Windows.
The message that precedes the error often looks like this:
Your PC ran into a problem that it couldn't handle, and now it needs to restart.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 11 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Huawei, Dynabook and Samsung.