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How to Enter and settings BIOS or UEFI | easy and competely

How to enter and BIOS or UEFI settings?

You need to set BIOS or UEFI when you want to reinstall windows to change the boot sequence so that you can boot from the flash disk.

Or to change the firmware mode so that you can adjust the MBR or GPT system partition that you will use to support the operating system you are installing.

Here I will explain how to enter the UEFI or BIOS menu and how to set up it, either choosing boot mode or changing the boot sequence.

BIOS and UEFI are Computer Firmware?

Firmware is a type of small application that is specifically designed to provide low-level control of particular hardware. Firmware is only designed to do specific work and only runs on specified devices.

The firmware allows complex hardware to run independently or enables simple hardware capabilities such as a complete operating system and can do all the control, monitoring, and data manipulation.

Firmware is Not Just Used on Computers

Computer Firmware is a small application that is embedded on a ROM chip and works first when the computer is turned on as a bridge between the hardware and the operating system and is known as the BIOS or UEFI.

Firmware is widely used in everyday electronic devices, for example, calculators, calculators that have firmware installed can calculate the numbers perfectly and invalid the slightest sign of error.

Likewise, with routers, digital cameras, CCTV cameras, traffic signs, cellphones, etc., it's just that the firmware name on the device is not as secular as the name of the firmware installed on a computer named BIOS or UEFI.

What are BIOS and UEFI?

The BIOS (Basic Input / Output System) is a program that is embedded in a ROM chip in a mainboard, which works independently without having to load programs from a disk.

the task of the BIOS is to check all hardware components of the computer installed before loading the operating system from the drive.

This is easy, so before your computer enters windows, the BIOS / UEFI checks all the installed components, whether the components (RAM, Drive, VGA, Processor, etc.) function normally and are installed correctly if yes then the process will continue with loading programs that are on the drive (operating system).

BIOS function

The BIOS firmware has the duty to initialize the hardware at boot time ie Power On Self Test (POST) right when you press the computer's power button.

Bios will check all the modules installed in your computer starting from RAM, Processor, Chipset, HDD, VGA, Mouse, Keyboard, Monitor if it is healthy before entering the operating system.

What is the meaning of Legacy BIOS?

When you use UEFI mode there must be a boot mode option, you want to use pure UEFI or Legacy support.

The purpose of the Legacy BIOS feature is that you can still activate the basic features of the old BIOS so that operating systems that don't yet support UEFI can be installed and the old devices can be read at UEFI.

What is UEFI

UEFI (Unified Extensible Firmware Interface) is an interface between the operating system and firmware that replaces old-school BIOS with more benefits and features, for example, UEFI can boot Disk more than 2TB, boot safer with safe boot and supports GPT partition table.

UEFI is a refinement of the BIOS that does not leave the basic functions of the BIOS, UEFI provides advantages and more features to support the development of today's computer world.
- "UEFI is actually the same as the BIOS, only UEFI is a new version of BIOS, so you are not confused"
- "" For the Windows Vista operating system version and above (7,8,8.1,10) and Linux already supports UEFI "-

How to enter BIOS and UEFI Menu

The BIOS and UEFI settings menu can only be accessed in a special way and must be done at the right time.

You can follow the easy way below to access BIOS and UEFI when you want to change the boot mode, boot sequence, choose bootloader or want to overclock.

How to enter UEFI BIOS

How to enter the BIOS or UEFI menu differs depending on the brand of mainboard you are using, but in general, the most frequently used buttons are the Delete, F2, and F12 keys.

When Should I Press the Button to Enter BIOS / UEFI?

  • When your power button on the computer, white letters appear on a black/blue background or closed with the mainboard brand logo.
  • On this screen, there is usually written Press DELETE to Setup or Press F2 to Setup or Press F12 to enter setup or it can also be different but basically just look for the SETUP information.
  • If you miss this moment do not force the reset to use the reset/power button then the operating system can be damaged, just wait until you enter Windows and you restart using the menu of the operating system and press the button to enter the BIOS menu as before.
TRICKS
Usually I often press the delete key F2 and F12 when booting if lucky, I can directly enter without having to read what menu is used, but you still have to read it while pressing the button repeatedly repeatedly.

How to enter the UEFI BIOS Windows 10

If you use Windows 10 then you can enter the UEFI bios menu without having to look for which button to press when booting.

Remember this method can only be done if your windows are still running normally, if not then use the first method above.

Follow the steps below to enter the UEFI bios menu in Windows 10.


  • start> type "recovery" without quotes
  • Select Recovery options in the settings section
  • Click the restart button in the advanced startup section
  • The computer will restart and follow the next steps below
  • After restarting the computer you select Troubleshoot
  • Pilih advanced option> UEFI Firmware Settings
  • Click the restart button to enter the UEFI settings menu without pressing again.

How to set BIOS and UEFI

Whatever type of BIOS / UEFI that is in your computer outline has the same menu and function, if there is a different menu that's just an additional feature from the developer of each mainboard.

For computers / PCs/tablets with UEFI, you can use a touchpad/mouse to interact with the UEFI menu, whereas for older computers/laptops that have not used UEFI it can only be controlled using a keyboard.

MAIN

In general, this menu contains system time information, drives that are installed in the SATA slot (not USB).
but it does not rule out the possibility of the mainboard vendor adding information display on this menu.
Main Menu in the BIOS

Advanced

Contains settings for installed components, for example changing SATA mode to IDE if you want to install Windows XP with a SATA drive. Disable Ports on the computer etc. Just read the information beside each highlighted menu.

advance menu in the BIOS

Security

Now in this menu, you can set a password. for example, the BIOS password is used to secure the BIOS settings (each time you enter the BIOS setup menu will ask for a password).

HDD password will protect the hard disk, so every time you want to enter the operating system you will ask for a password.

security menu in the BIOS
Be careful when giving a password to the hard disk / SSD, discard the password first before you move the drive to another computer because the drive will not read before the password is released.

BOOT In the BIOS

Now when you want to install the operating system (OS) you need to set the boot sequence in this menu, for example, if you want to install windows using a flash disk then put your flash disk at the top so that the computer boots from the flash disk, likewise if you use a CD set the boot order CDROM in the first place.

boot menu in the BIOS

BOOT menu on UEFI

In UEFI, in this sub usually, there is an additional boot mode and firmware mode menu For Firmware that already supports UEFI.
From here you can choose the UEFI, CSM or Legacy BIOS boot mode
Display BOOT Menu on UEFI

Exit

after completing the BIOS settings menu you can choose to save your settings. For you are not sure about the changes you made, you can return to default in this menu tab.

exit menu in the BIOS
To save, you can use the F10 key (Save and Exit)

BIOS UEFI help menu
To navigate and change the value can be seen at the bottom of the BIOS screen, usually, there is a description of which button can be used for certain purposes.


Current BIOS models usually use UEFI so you can use your mouse to navigate.

BIOS Beep Code Functions for Technicians

Well, the BIOS is very important when we are servicing the computer, because, with the BIOS, we can know that our HDD is damaged (Usually it does not enter the BIOS) or some components are not installed correctly.

Bios will beep BEEP 1x with all OK components. but if the sound is long shrill, it is necessary to check the component installation. each BIOS sound indicates different information. You can see the meaning table of the BEEP BIOS sound.

Meaning Beep code in the BIOS
For the complete table, you can see the full BIOS error code list

How to Reset BIOS and UEFI

sometimes we need to reset the bios by force if the mainboard is turned on, it won't boot or just stay quiet. the easy way is to remove the battery in the mainboard (battery is used to save BIOS settings and time).

Choose one of the methods below to reset BIOS / UEFI settings to Default settings.
  • Remove the BIOS battery and connect the two battery connectors in the metal socket for a few seconds
  • Use the available jumpers to reset the bios, these jumpers are usually written CMOS / CLS / Clear. just connect this jumper with metal  
  • Well sometimes laptops make it troublesome if you forget the BIOS password/receive service, you can reset the BIOS and remove the BIOS password by pulling out the battery and leaving it for 2x24 hours without connecting to electricity. so that the spare battery runs out.

CONCLUSION

The BIOS and UEFI have the same function except they are in different times where UEFI is an updated version of the BIOS.

To enter the BIOS or UEFI the same way, namely by pressing the special button listed when the POST computer boots, the buttons for each brand of mainboard are usually different.
Aliif Arief
Aliif Arief web and app enthusiast

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