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Most PC users go without ever updating their BIOS. After all, PC performance is often unaffected by your BIOS version. So why would you? Two words: continued stability.

An outdated BIOS may limit PC performance, lower PC stability, debilitate overclock settings, and remain incompatible with certain devices. When confronted with issues, most PC users will try everything in the book without realizing their issues stem from an outdated BIOS. The general recommendation is: you’re fine, until you start noticing hardware compatibility issues.

Here we’ll show you how to safely update your UEFI BIOS.

What Is a UEFI BIOS?

The BIOS (Basic Input/Output System) acts as a trigger of sorts, checking for and activating your hardware. It also dictates boot devices, CPU boost software, overclock settings The Beginner's Guide to CPU Overclocking The Beginner's Guide to CPU Overclocking Overclocking is an art, but it's not magic. Here we share how overclocking works, complete with a step-by-step guide to safely get a performance boost out of your CPU. Read More , and several other parameters.

It’s also responsible for testing your hardware components, like the hard drive and GPU, through a sequence called POST (Power-On Self-Test). Most are familiar with the BIOS through issues associated with hardware connection. For example, your BIOS will submit an error to your screen if the hard drive SATA connection is unplugged.

bios

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A UEFI (United Extensible Firmware Interface) BIOS is the more modern form of the BIOS. UEFI BIOS shares many similar features with old-school — often called legacy — BIOS versions. The biggest innovation in the UEFI BIOS is its clickable and more accessible user interface (UI).

The UEFI BIOS also allow for great added features like hardware monitoring, more convenient overclocking accessibility, overclock profiles, and easier flashing capabilities. Note the difference between the BIOS above with the newer MSI Click BIOS 4 below.

bios splash screen

The advent of UEFI BIOS Discover Your BIOS & Learn How to Make the Most of It Discover Your BIOS & Learn How to Make the Most of It What the heck is the BIOS, anyway? Is it really that important to know? We think so and fortunately it's pretty easy. Let us introduce you. Read More versions gave way to massive (> 2.2 TB) storage systems which wouldn’t function on the legacy BIOS. It also allows for pre-boot environments which can be used when needed to move files, diagnose issues, and even browse the internet without the need of an operating system (OS).

Every BIOS version depends on the motherboard make and model. Some older motherboards will not allow for a UEFI BIOS, while newer motherboards will. The process to update your BIOS, however, is generally the same.

Finding Your UEFI BIOS Version

BIOS versions can differ from one to the other, though rarely by much. Upgrading your BIOS version, or installing a previous version, can allow for different capabilities. It is recommended you install the latest versions of all software, including your BIOS, to ensure maximum compatibility and protection.

bios updates

You can access your available BIOS versions by searching under your motherboard model. You can find the model name and number of your motherboard through your command prompt. To open your command prompt, press Windows key + R, which brings up the Run window. Here, type cmd and click OK. Now, enter the following into your command prompt:

wmic baseboard get product,Manufacturer

Your motherboard make and model should appear in your command prompt 15 CMD Commands Every Windows User Should Know 15 CMD Commands Every Windows User Should Know The command prompt is an antiquated tool from an era of text-based input. But some commands remain useful and Windows 8 even added new features. Find out which ones. Read More . Google this information with the added bios tag to find your BIOS versions available for download. You may have to search for BIOS downloads under a Support category.

Carefully consider which version of your BIOS you’d like to use. If you’d like to check your BIOS version, open your command prompt again and type in the following;

systeminfo

The BIOS Version appears next to the respective parameter in the list.

bios version command prompt

I currently have version 1.8 installed on my PC. Upon further research, I found the latest version is 1.9. I will upgrade my current version to this new version.

BIOS Files

UEFI BIOS updates are comprised of two main files:

  • A TXT file detailing the specific upgrades made to this BIOS version.
  • The actual EXE file for your BIOS upgrade. Read the text file before updating.

You’ll note that you can’t open the EXE file like a regular executable file. Rather than installing it, the file must be flashed. Flashing a device means wiping the software from a drive to install another version of that same software. The process derives its name from the BIOS’ use of flash, rather than mechanical, memory NAND and eMMC: All You Need to Know About Flash Memory NAND and eMMC: All You Need to Know About Flash Memory The world would be a sad place without flash memory. But how much about flash memory do you really understand? Here are the essentials you should know to make informed buys! Read More .

Since you are flashing your BIOS rather than updating it, an unexpected shutdown can lead to serious consequences and may render your PC unusable. Ensure that your USB and power supply are safe before proceeding. If the process is disturbed, the BIOS cannot revert back to a previous version by the nature of its process. That’s why many users are intimidated by BIOS updates, even though its a simple process.

Flashing Your UEFI BIOS

It’s best not to install your BIOS within the normal OS environment. You will need to unzip and move your files from your BIOS folder into the root (outermost) directory of a storage device, like a flash drive. Once you’ve saved your files to your USB drive’s root folder, plug it into your computer and restart the PC. Afterward, enter your BIOS How To Enter The BIOS On Your Computer How To Enter The BIOS On Your Computer Inside the BIOS you can change basic computer settings, like the boot order. The exact key you need to strike depends on your hardware. We have compiled a list of strategies & keys to enter... Read More and locate the flash option.

Navigate to M-Flash (or your BIOS’ equivalent).

update bios version

There are two categories in the above case: BIOS and BIOS + ME. ME (Management Engine) — specifically, Intel’s Management Engine — controls the hardware monitor 13 Windows Diagnostics Tools to Check Your PC's Health 13 Windows Diagnostics Tools to Check Your PC's Health Every Windows user eventually encounters problems that aren't easy to diagnose. Bookmark this article, so you'll have a list of tools handy to help you when it happens to you! Read More and clickable environment you see within your UEFI BIOS.

Oftentimes, your BIOS download will include both you BIOS and ME files, so you don’t need to install both manually. In fact, most BIOS versions will require that you install it as BIOS and ME to ensure that the management engine is compatible with the BIOS.

select bios version

M-Flash will prompt you to load your BIOS file. Locate your file in the root USB folder and begin the process.

Warning: Ensure that you do not lose power to your PC during this process. Since your BIOS is responsible for loading boot order, an unexpected shutdown during a BIOS flash may leave your PC unusable. Ensure that your PC is plugged in to its energy supply firmly before carrying out your BIOS update.

Re-Checking BIOS Version

Your BIOS update may require several restarts for the BIOS and ME, so wait until the total process has finished. Then, enter your BIOS again or check your BIOS version using the command prompt method. You should be able to see your newly updated BIOS version at the top of the screen.

bios 1-9

That’s it! There is a fair amount of taboo behind upgrading your BIOS unless absolutely necessary, but the process really is simple, painless, and can prevent several PC issues from arising in the future.

In With the New BIOS!

Even die-hard PC users often go without updating their BIOS. That’s fine, until something goes haywire and you’re experiencing issues due to an outdated BIOS. Prevent that by updating your BIOS now!

Have you updated your BIOS lately? Did you find this guide easy to use? Let us know in the comments below!

  1. Doc
    December 1, 2016 at 4:30 pm

    Many PCs (like this Asus laptop) support WinFlash, which can flash a new BIOS/UEFI from within Windows.

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