This is the most professional, reliable method. You’re using Microsoft’s own tools without ever booting into your corrupted OS.
A USB drive (or CD) and the DBAN ISO.
It sounds like the ultimate solution. Why wait for Windows to load if Windows itself is the problem? Surely, the Basic Input/Output System (BIOS)—the ancient, low-level software that wakes up your hardware—must have a secret "format" button hidden somewhere in those blue-and-grey menus.
Formatting a drive directly from the BIOS or UEFI menu is technically impossible because these interfaces are designed to manage hardware, not file systems. To wipe a drive before an operating system loads, you must use bootable installation media to bridge the gap.
Before you start, make sure you have:
