When you start the computer, you first encounter with BIOS, but many users do not know about it, bios keeps a very important place in the computer, let’s know about BIOS.
What is Bios?
When you start the computer and the first screen you see is the BIOS, the full form of BIOS is Basic Input Output System, it is a software associated with your motherboard. When the PC is turned on automatically, the BIOS detects the configuration of RAM, processor, keyboard, mouse, hard drive and the computer when the computer is on.
Where is the BIOS in the computer?
The settings of the BIOS are stored in the chip in the motherboard (CMOS) that is called the Complementary metal oxide semiconductor, when you change these settings, the cell in the motherboard preserves these settings, these settings will include your computer’s Time and Date. If the BIOS settings are ever disturbed, then after removing the battery, the settings become default settings.
BIOS primarily works to boot the operating system of your computer, when the computer is turned on, the BIOS checks for the CMOS setup that you have made and decides which device System can be booted
How to enter the BIOS or CMOS setup
Each computer has a separate keyboard shortcut to open the BIOS, of which F2, F12, Delete or Esc are main, the first screen as soon as you start to open the BIOS of your computer See carefully that will show you something like this –
If you see a keyboard shortcut, press it within 1-2 seconds of computer start, this will open the BIOS or CMOS setup. Bios setup update Flash types laptop