Updating bios with a flash drive
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.Visit the manufacturer’s site to download the BIOS update, for instance, if you own a Dell laptop you can head over to Dell.com, or you could use Dell Update Utility.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.The motherboard manufacturers to have their own BIOS update applications and all you need to do is press a button and voila! It’s always advisable to turn off firewalls and other security software since they could meddle with the process.
Make sure however, that you always get the BIOS executable and NOT the Windows executable.You then have one of two options: create a ISO or install the image for your bootloader.Flashrom is a utility for identifying, reading, writing, verifying and erasing flash chips.Most manufacturers provide a Windows executable or a BIOS executable that can only be run under Windows.However, there are a few utilities, that allow you to upgrade your system BIOS under Linux.