What does BIOS and UEFI mean? The BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) is ...

UEFI uses a more graphical interface and allows the use of your mouse or keyboard, whereas BIOS requires you to use your keyboard to navigate the menu. BIOS stands for Basic Input Output System.

EFI borrowed many things from Windows of that period, PECOFF image formats, and UEFI, in turn, borrowed practices from EFI. Before EFI, there was good old BIOS (Basic Input Output System).

The BIOS (Basic Input/Output System ... reset the BIOS to factory default settings and reset the forgotten BIOS or UEFI password. Those of you who are interested can use the Lenovo BIOS Simulator ...