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How to access bios

 Your laptop’s BIOS is the very first thing that masses if you begin your laptop. It initializes your {hardware} earlier than booting an working system out of your laborious drive or one other system. Many low-level system settings are solely accessible in your BIOS.

Fashionable computer systems predominantly ship with UEFI firmware, which is the successor to the normal BIOS. However UEFI firmware and the BIOS are pretty related. We’ve even seen fashionable PCs discuss with their UEFI firmware settings display screen because the “BIOS”.


BIOS and UEFI Defined

BIOS stands for “Fundamental Enter/Output System”, and is a sort of firmware saved on a chip in your motherboard. Once you begin your laptop, the computer systems boots the BIOS, which configures your {hardware} earlier than handing off to a boot system (normally your laborious drive).

UEFI stands for “Unified Extensible Firmware Interface”. It’s the successor to the normal BIOS. UEFI presents help for boot volumes over 2 TB in dimension, help for greater than 4 partitions on a drive, sooner booting, and allows extra fashionable options. For instance, solely programs with UEFI firmware help Secure Boot to safe the boot course of towards rootkits.

Whether or not your laptop has a BIOS or UEFI firmware doesn’t matter a lot in most conditions. Each are low-level software program that begins if you boot your PC and units issues up. Each supply interfaces you'll be able to entry to vary quite a lot of system settings. For instance, you'll be able to modify your boot order, tweak overclocking choices, lock down your computer with a boot password, allow virtualization {hardware} help, and tweak different low-level options.

The right way to Entry Your BIOS or UEFI Firmware Settings

There’s a distinct course of for accessing the BIOS or UEFI firmware settings display screen on every PC. Both approach, you’ll must restart your PC.

To entry your BIOS, you’ll must press a key in the course of the boot-up course of. This key's typically displayed in the course of the boot course of with a message “Press F2 to entry BIOS”, “Press <DEL> to enter setup”, or one thing related. Frequent keys it's possible you'll must press embody Delete, F1, F2, and Escape.

Some PCs with UEFI firmware additionally require you to press one in every of these keys in the course of the boot-up course of to entry the UEFI firmware settings display screen. To seek out the precise key you might want to press, seek the advice of your PC’s guide. Should you constructed your personal PC, seek the advice of your motherboard’s guide.


PCs that shipped with Home windows eight or 10 could require you entry the UEFI settings display screen by way of Windows 8 or 10’s boot options menu. To entry it, maintain down the Shift key as you click on the “Restart” choice to restart your laptop.

The pc will reboot right into a particular boot choices menu. Choose Troubleshoot > Superior Choices > UEFI Firmware Settings to entry the UEFI firmware settings display screen.

The right way to Change BIOS or UEFI Firmware Settings

The precise BIOS or UEFI settings display screen appears to be like totally different on totally different PC fashions. PCs with a BIOS may have a text-mode interface you'll be able to navigate along with your arrow keys, utilizing the Enter key to pick choices. You’ll see the keys you need to use spelled out on the backside of the display screen.

Some fashionable UEFI PCs have graphical interfaces you'll be able to navigate with a mouse and keyboard, however many PCs proceed to make use of text-mode interfaces, even with UEFI.

Regardless of the display screen appears to be like like, you need to use your keyboard or mouse to navigate by it. However watch out in your BIOS or UEFI settings display screen! You must solely change settings if you already know what they do. It’s doable to make your system unstable and even trigger {hardware} harm by altering sure settings, particularly ones associated to overclocking.

RELATED: How to Boot Your Computer From a Disc or USB Drive

Some settings are much less harmful than others. Changing your boot order is much less dangerous, however you'll be able to even run into hassle there. Should you change your boot order and take away your laborious drive from the checklist of boot units, your laptop gained’t boot Home windows (or no matter different working system you've put in) till you repair your boot order.

Poke round and discover no matter setting your in search of. Even when you already know what you’re in search of, it’ll be in a distinct place on totally different laptop’s settings screens. You’ll usually see assist info displayed someplace in your display screen, offering extra details about what every choice really does.

RELATED: How to Enable Intel VT-x in Your Computer's BIOS or UEFI Firmware

For instance, the choice to enable Intel’s VT-x virtualization technology is usually someplace beneath a “Chipset” menu, nevertheless it’s on the “System Configuration” pane within the screenshot beneath. The choice is known as “Virtualization Know-how” on this PC, however is usually named  “Intel Virtualization Know-how,” “Intel VT-x,” “Virtualization Extensions,” or “Vanderpool” as an alternative.

Should you can’t discover the choice you’re in search of in your BIOS, seek the advice of the guide or assist web site in your PC. Should you constructed the PC your self, have a look at the guide or assist web site in your motherboard.

Once you’re accomplished, choose the “Save Adjustmentschoice to save lots of your adjustments and restart your laptop. You may as well choose a “Discard Adjustmentschoice to restart your PC with out saving any of the adjustments you made.

In case you have an issue after making a change, you'll be able to return to your BIOS or UEFI firmware settings display screen and use an choice named one thing like “Reset to Default Settings” or “Load Setup Defaults”. This feature reset your laptop’s BIOS or UEFI settings to their defaults, undoing all of your adjustments.

Picture Credit scoreryuuji.y on Flickr and  Thomas Bresson on Flickr


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