Laptop and Desktop BIOS are different and laptop BIOS comes with password protected because more useful in nature. Bios is a small chip that stores information of the chipset how to perform, when to do according functions from the keyboard or no keyboard.
In these days Laptop’s comes preloaded password protection, therefore we need to change or know the password when we want to change any information in Bios.
For Example we need to boot from USB or from optical Drive. For these types of reasons we have to find out the BIOS password for changing information. There are two to three methods for changing password and I am describing two methods.