There are different options for resetting the BIOS password. A few of them are listed below:
Take away the CMOS battery with the help of the 1) software 2) a motherboard jumper or 3) MS-DOS.
A BIOS (Basic Input Output System) is a software (firmware) stored on a small memory chip on the motherboard. It is the very first software to run on a computer when it is started. It instructs the computer on how to perform basic functions such as booting and keyboard control. It is used to identify and configure the hardware in a computer such as the hard drive, optical drive, CPU, memory and related equipment.
A CMOS (Complementary Metal-Oxide Semiconductor) is a small amount of memory on the motherboard that stores the Basic Input/Output System (BIOS).