Bios updating utility
To change the BIOS itself, you'll probably need a special program from the computer or BIOS manufacturer.Look at the BIOS revision and date information displayed on system startup or check with your computer manufacturer to find out what type of BIOS you have.Occasionally, a computer will need to have its BIOS updated. As new devices and standards arise, the BIOS needs to change in order to understand the new hardware.Since the BIOS is stored in some form of ROM, changing it is a bit harder than upgrading most other types of software.Because if the computer turns off during the process, the BIOS may be corrupted and you will need a technician to fix it.Your boot CD/DVD may or may not help depending upon how the BIOS stands after a powercut or a sudden system turn off while rewriting the BIOS.
Download the upgrade and the utility program needed to install it.That being said the update procedure might vary slightly from product to product.It is also worth mentioning that the OEM’s stop updating the BIOS for some of the machines after a certain time span. One can also download the Now, this is the easiest part and I have been using this method to update the BIOS on my HP Laptop since quite some time.Otherwise, you could corrupt the BIOS, which means you won't be able to boot your computer.If in doubt, check with your computer manufacturer to be sure you need to upgrade.