The BIOS itself cannot format a hard drive because formatting is a file system operation requiring an operating environment. However, by configuring the BIOS to boot from external media (Windows/Linux USB), users can access formatting tools (DiskPart, Setup GUI, GParted, or mkfs ). For most users, the correct workflow is:
However, the phrase "" usually refers to using the BIOS to boot into a tool that can perform the format, or using built-in manufacturer "Secure Erase" utilities. This guide explains how to use these methods to wipe your drive before an operating system (OS) loads. Method 1: Use BIOS "Secure Erase" (Recommended for SSDs) format hard drive in bios
This is the most common way to "format from BIOS" by using the Windows setup environment. The BIOS itself cannot format a hard drive