BIOS (an acronym form Basic Input/Output System) is a firmware installed on the motherboard that enables the computer hardware to load the operating system.
The BIOS offers hardware management support and allows system changes to be made as well.
How do I enter BIOS?
If you want to access BIOS, this can be easily done by pressing a specific key. The BIOS access keys can vary from a computer manufacturer to another.
|Lenovo||F1/Enter, then F1/F2/F2 + Fn/|
|Universal keys||F1, F2, F10, Del, Esc|