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How do I access and use the BIOS of my Asus laptop?

The BIOS (Basic Input Output System) is a software stored on the motherboard and independent of the operating system used by your laptop.

It is responsible for auto-configuration at startup and is therefore the very first software to run when starting a computer. It is a bit like the backbone of your PC.

You may need to configure the BIOS in case of a bug in your computer or if you want to access certain settings. So how do you find the BIOS and how do you use it?

What is the purpose of a PC's BIOS?

Your computer's BIOS is stored on both a small read-only memory (ROM) chip and a small random-access memory (EEPROM) chip. The settings on the ROM are not changeable while those on the EEPROM can be flashed.


Bios

The BIOS tells the computer how to perform basic functions such as booting and keyboard control. It is also used to identify and configure a PC's hardware such as the hard disk, CPU, memory and other associated equipment.



Bios
Version of the Phoenix Technologies Bios

In addition to its role of starting up the operating system, it also acts as a tester and configurator of the system.

The BIOS supports several hardware configuration options that can be changed via the Configuration Utility. Saving these changes and rebooting the computer applies the changes to the BIOS and changes the way the BIOS instructs the hardware to operate.

The four main functions of the BIOS:

Going into your PC's BIOS gives you access to four main functions.


1. POST (Power-On Self-Test): This function tests the hardware, memory and ensures that no errors exist before loading the operating system.

2. Bootstrap Loader: This function allows you to locate the operating system. If the compatible operating system is located, the BIOS will pass control to it.

3. BIOS drivers: Managing low-level drivers that give the computer basic operational control over your computer hardware.

4. BIOS Setup or CMOS Setup: A setup program that allows you to configure hardware settings, including system settings such as computer passwords, time, and date.


Bios
Version of the American Megatrends manufacturer's Bios

Common actions to perform in the BIOS

You can also perform some common actions in most BIOS systems such as :

  • Change the boot order
  • BIOS update (flash)
  • Changing Hard Disk Settings
  • Changing CD or DVD drive settings
  • Display the amount of memory installed
  • Enabling or disabling the POST Self-Test
  • Changing processor settings
  • Changing memory settings
  • Changing system voltages
  • Enable or disable RAID
  • Activating or deactivating the built-in USB card
  • Enable or disable built-in audio
  • Changing the fan speed settings and their speed
  • Display processor and system temperatures
  • Display system voltages
  • ...
All options available in the BIOS are configurable via the BIOS Setup Utility.

Accessing the PC BIOS via Windows 10


To access and use the BIOS Configuration Utility for your Asus Notebook, please watch the video below to familiarize yourself with its use:

  1. Go to "Start" and "Settings".
  2. Click on "Update and Security".
  3. Click on "Recovery" and then click on the "Restart Now" button ("Advanced Startup" section). The "Advanced Startup" menu appears.
  4. Click on "Troubleshooting" and then "Advanced Options".
  5. Click "Change UEFI Firmware Settings".
  6. And click "Start".
  7. You now have access to the BIOS of your PC!
News added at : June 29, 2020 at 2:20 PM
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