To access the BIOS, restart your computer and:

: When the Windows Setup screen appears, press Shift + F10 to open a Command Prompt window.

Formatting a disk from the BIOS (Basic Input/Output System) is a process that allows you to erase all data on a hard drive or solid-state drive (SSD) and prepare it for use. This method is useful when you need to install a new operating system, replace an existing one, or completely wipe a drive clean. In this article, we'll walk you through the steps to format a disk from the BIOS.

This is the most common way to format a boot drive before the operating system (OS) loads.