October 29, 2020

The AC Adapter and Battery Must Be Plugged in! – Force Update BIOS

Update bios without battery

If you are trying to update your BIOS in Dell, Lenovo, HP or Asus laptops but updating BIOS is not working and you are getting a prompt to charge your battery above 10% or plugging in AC power or if your laptop is without battery or with dead battery. So, don’t worry as there is a way to force update BIOS in Dell or any laptop. In this article, I am going to tell you how to force update or flash BIOS in Dell if there is an error “AC adapter and battery must be plugged in” or “battery must be charged above 10% to flash BIOS”.

Error “The AC adapter and battery must be plugged in before the system BIOS can be flashed”
“The battery must be charged above 10% to flash BIOS”

Brands like Dell has a restriction in updating BIOS without battery or AC adapter. But in this modern technology world, surely every problem has a solution and so this one also has. BIOS update without battery in Dell or any laptop is very easy as discussed below.

We are gonna force BIOS update in Dell laptop. So, now I’ll you show you step by step method of how to update or flash BIOS without battery with command prompt (CMD).

Step 1

First of all you have to download the latest BIOS driver version of your device. You can visit Dell Drivers or whatever brand you have to download it.

Step 2

Now just copy that downloaded BIOS driver software to desktop. Rename that copied file to an easy name such as letter “a” or whatever suits you.

Step 3

After copying, open Command Prompt (CMD) without administrator privileges from the start menu.

Step 4

Type in CMD “cd desktop“.

Step 5

Now after that type the name of that BIOS driver software file you downloaded in CMD. I renamed it to “a” and so I’ll type “a.exe“. If you haven’t renamed it, then no problem, just copy that file name and paste or type it in CMD.

Whatever name you gave to your file, you can write there in CMD but at the end of that name type “.exe“.

Now after typing name, give a space and type “/forceit“. Before forceit command slash (/) is very important.

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That’s it. Now your device will restart and BIOS will be updated.


So, this was the easiest way of getting prompts aside like “The AC adapter and battery must be plugged in before flashing BIOS” or “Battery must be charged above 10% to flash BIOS” and updating BIOS without battery in Dell, Asus, or HP laptops.

Just these few easy steps and your BIOS update is on the go.

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