Some of the reasons for updating the BIOS include: Hardware updates—Newer BIOS updates will enable the motherboard to correctly identify new hardware such as processors, RAM, and so on. If you upgraded your processor and the BIOS doesn’t recognize it, a BIOS flash might be the answer.
Do we need to update BIOS?
In general, you shouldn’t need to update your BIOS that often. Installing (or “flashing”) a new BIOS is more dangerous than updating a simple Windows program, and if something goes wrong during the process, you could end up bricking your computer.
What is BIOS update?
BIOS updates have the capability of correcting problems occurring with your computer hardware that cannot be fixed with drivers or an operating system update. You can think of a BIOS update as an update to your hardware and not your software. Below is a picture of a flash BIOS on a motherboard.