This article will introduce the BIOS (Basic Input Output System) program and how to set up the basic BIOS program in the computer.
1. Function of BIOS program
BIOS is a set of programs that guide the basic operation of the computer and configure the computer. The BIOS is loaded into Read-Only Memory (ROM) on the motherboard by the manufacturer.
When starting the computer, the BIOS is the first program that is executed by the CPU. The BIOS contains instructions that instruct the CPU to perform the POST (Power On Self Test) process to test components of computer.
2. BIOS configurations
In some cases, we need to change some computer configuration settings. Therefore, need to enter the BIOS to reset.
To enter the BIOS program, start the computer and press “Delete”, “F2” or “F10” key, etc. depending on the computer manufacturer. In some cases, you should try all possible keys.
| Computer manufacturer | Key to enter BIOS |
| SONY | F2 |
| HP – COMPAQ | ESC, F10, F2, F6 |
| ACER | F2, DEL |
| ASUS | ESC, F2 |
| DELL | F2 |
Some settings in BIOS
UEFI/Legacy Boot Mode
Set BIOS password
Configure Boot device
Load default BIOS
