The BIOS is a firmware designed to be the first program run by a computer when you turn it on. The main function of the Basic Input/Output System (BIOS) is to identify, test, and initialize all the hardware devices such as the video card, hard disk, floppy disk, network card, and any other system’s hardware.

As you should know, programs on your computer should be updated normally to fix bugs, general problems, security patches, and many other issues that will help you computer become a more stable system. These updates are available at the manufacturer's Website. However, updating your BIOS could be a little more risky because if you make a mistake in the update process, you can finish with an unbootable PC.  So here's how you can be sure, you update your BIOS without any hazard.

First (1)
You will need to identify your current BIOS version.

One way to check this is to open the System Information in Windows. Just type msinfo32 into the search bar (for Windows 7/Vista) or the Run box (for XP), and click System Summary.

Today I'm going to show you a little trick in how to eliminate the BIOS password. This will also help to eliminate any other password related with the BIOS. Please don't forget to adjust the date and time after finishing this.

This tutorial it is pretty much similar like the last one when I show you how to replace the CMOS battery. You can go here if your want to check the last tutorial --> Changing the CMOS Battery

Sometimes when you buy a used computer, they sometimes come with a locked BIOS,  HDD password or any other Bios related password, so you can't change any of the Bios settings. When you have a locked BIOS it should look like the pictures below.