How to Update Bios Without CPU? Step By Step Guideline


Updating your computer BIOS without a CPU can be a little bit difficult and risky. Installing or flashing a new BIOS can be even riskier than updating window programs. And if you are doing it without a CPU then it might just get even more complicated and tricky.

Even though it is tricky, it doesn’t mean that it is impossible. So, if you want to know How to update bios without CPU, we have shared a detailed process. You only need a very simple device to update your BIOS without a CPU. The device is made in association with the Asus ROG brand. It is called the USB BIOS Flashback. Keep on reading and you will understand the process if you don’t want to use CPU for the update.

We have also shared when your pc needs the BIOS update, how to know the timing and the benefits of this update. So, without any further ado, let’s get started! 

How to update bios without CPU- step by step 

There are ways to update your BIOS without any CPU. But your computer’s motherboard can’t work without the help of the CPU. You need a CPU to keep your motherboard running. So it’s better if you bring a CPU before updating. 

If you update your BIOS with the help of your CPU the risk of your motherboard damaging will lessen. And updating your computer BIOS won’t even be that much complicated and tricky as it would be if you do without your CPU.

But if you still can’t manage a CPU then it’s alright. You can go to the non CPU way. Here’s how you have to update your computer BIOS without the help of CPU:

You only need the USB BIOS Flashback to update your BIOS without a CPU.  Here’s what you have to do:

Step 1: First you have to plug in the flashback device to your mobo.

Step 2: Next you have to plug in the USB device with the updated correct BIOS version for the mobo. 

Step 3: Then you have to give power to the mobo through an SMPS. 

Step 4: Lastly you have to press the flashback button for 3 seconds.

Your work ends here. The rest of the procedure will happen automatically. But you still face problems while doing it with the flashback then ask any professional or someone who has done this many times to do it for you.  Remember to do it carefully as your BIOS is connected to your computer’s motherboard.

Does my PC need a BIOS update?

BIOS is a computer’s basic input/output system. A computer’s basic input/output system does not need an update that often. The home of your BIOS or basic input/output system is in a small chip in the motherboard. Its job is to manage the basic instructions of your computer that allow it to boot into an operating system. 

It is better if you are not updating your BIOS that often. Computer BIOS doesn’t really need updating. Moreover, installing a BIOS can be even riskier than just updating a small window program. You can update your BIOS only if there is a problem with your hardware. 

Your BIOS is located on your computer’s motherboard. So if the update process goes slightly wrong you won’t be able to turn your windows on again. If you really want to update your BIOS, take a professional’s help or do it carefully following our mentioned steps.

When to give a BIOS update?

You should normally avoid giving your BIOS an update because that can be very risky to your computer. If something goes wrong while giving your BIOS an update then your computer might not work again properly. So you have to be careful while working with your computer BIOS.

If you see your computer working fine then you don’t have to think about updating your computer BIOS. But if you are facing problems like lags and if you feel the need for an update, then you can think about updating your BIOS. 

Again, if you want an improvement in your computer that the BIOS new version is providing then you can think of updating your computer BIOS. Your computer BIOS should be even updated by you if you see any critical flaws that need to be fixed up. If you intend to upgrade to a new CPU then you should consider upgrading your BIOS.

You can only upgrade your BIOS if you want an improvement feature in your computer system or if there is a major bug or if your computer hardware needs an update. If your computer doesn’t have any of the problems mentioned above then consider your BIOS leaving alone.

Will updating BIOS improve performance?

Updating can bring more disadvantages to your computer than bringing advantages. BIOS lives in your computer’s motherboard and manages basic instructions so that your computer can boot into an operating system. So if anything happens to BIOS it automatically damages your computer’s motherboard too.

Updating BIOS does not bring any big changes to your computers like big Software updates or performance improvement. Rather updating BIOS might just fix a software bug or add support to a new model of CPU. Updating your computer BIOS will not make it work faster or add any additional features you need. Rather updating your BIOS might bring more problems. 

Don’t think about updating your computer’s BIOS unless updating it will bring an improvement feature you needed for your computer. If your computer is working perfectly fine then you should not update your BIOS. You might not even like the difference between the old BIOS version and the new BIOS version on your computer. 

There are even chances that you may experience new bugs and new problems with the computer in your new version. This can happen because the BIOS that came with your computer might have gone through more tests than the other BIOS.

What is the benefit of updating BIOS?

Updating BIOS can have many benefits if done properly. A lot of people may want to update their computer BIOS without any reason. But you should not do that. You should not update your BIOS if it’s working properly. BIOS should only be updated when needed. If you are facing any problems while working with your computer or if you want a feature improvement in your computer then you should consider updating it. 

The process of updating your computer BIOS should be done by a professional if you have never done it before. It should be done skillfully as one wrong move can damage your computer’s motherboard. 

So now let’s take a look at the benefits of updating your BIOS:

  • Hardware updates: The newer BIOS updates will be able to correctly identity new hardware devices such as the RAM and processors.
  • Security updates:  The updated BIOS has the security update feature with it. It can increase the awareness of the boot sector viruses but it is only possible if your motherboard supports the boot sector scanning 
  • Increased stability: The updated BIOS can easily find bugs and all the issues of the motherboard and resolve those problems. And this may even affect the speed of data transfer and processing

Wrapping up 

We have reached the end of our suggestions and guidelines on how to update bios without CPU. We hope that our suggestion has saved you from a lot of confusion and showed you the easiest way to your bios update. 

You should only update your BIOS when it’s really necessary for your computer. Avoid updating BIOS if not necessary. Or your computer might not start again if something goes wrong while updating BIOS. And since you are doing it without a CPU the procedure of your computer BIOS gets more problematic. 

The computer may freeze, crash, lose power during the procedure. Though some motherboards can update computer BIOS without even needing a CPU at all. Those motherboards have special hardware to enable USB BIOS flashback. So before you update the bios, always notice the concerning facts and then proceed. Even though the procedure is simple yet it’s better to take expert help while updating the bios. 

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