Addictivetips published a tutorial about switching from UEFI BIOS to Legacy BIOS on a PC.

How to switch UEFI BIOS to Legacy BIOS on a PC

All computers come with a basic file system loaded on to the memory. This file system can control some hardware components at a basic level, and it allows you to make changes to the system such as setting a password before you can see the boot screen of the OS that’s installed.

How to switch UEFI BIOS to Legacy BIOS on a PC