Basic Input Output System (BIOS) is hard coded on ROM chip which is located on your motherboard and it is the first program which starts when you turn on your computer. This program checks all devices which you have attached are working properly like keyboard, mouse, hard disk and other devices and then loads operating system into RAM. New motherboards with Erasable Programmable Read Only Memory (EPROM) allow you to update your BIOS. Updating it can help to add new features or can help to fix some bugs.
The importance of Securing BIOS using Password ?
1. You might be knowing that from BIOS you can set boot sequence / boot order. So suppose if you don’t want anyone else to boot any device like CD’s, floppies, USB or any other device then you can disable booting of this devices and can set a password for your BIOS so that no one else can boot devices except he or she knows your password.
2. To protect someone from changing your BIOS settings.
There are much more reasons behind securing your computer using bios passwords.Things to do for protecting others from breaking your BIOS password
1. Lock your computer cabinet with the lock which will prevent others to open the cabinet and clear password using jumper which is located on the motherboard or by removing CMOS battery.
How to Set Password for BIOS ?
1. Power on your computer.
2. Go to your BIOS settings. Mostly Del or F2 or F10 are the keys to enter it but if they are not working then try other keys.