We all know we should never turn off a system during a BIOS update. However, have you ever wondered what happens if the system suffers from a power outage or any interrupts during an update? Well, You will be prompted with a message during the POST test saying BIOS corruption has been detected.

Since you need the BIOS to load the data from the storage device to the primary memory, a corrupted BIOS will lead to the system failing to load the OS. The system might turn on, but the screen will only show the error message BIOS corruption has been detected.

What Causes a BIOS Corruption?

The BIOS, or the Basic Input Output System, holds all the information about the hardware devices connected to the motherboard. Furthermore, it also stores the system’s date and time, boot device order,CPU fan speed,etc.

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How to Fix /BIOS Corruption Has Been Detected?

Now that we know what causes a corrupted BIOS, let us see some solutions to fix it. However, before we start, you should know that an interruption during an update may even cause your entire motherboard to render useless.

The solutions mentioned below may or may not work on all laptops and motherboards, as not all laptop supports backup and recovery of the BIOS.

Many motherboard and laptop companies have the necessary measures to fix a corruptedBIOS update.Some motherboard has a BIOS backup, whereas laptop manufacturing companies may also have a BIOS recovery tool that can get you out of a sticky situation such as a corrupted BIOS.

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Below, we have explained the steps to perform a BIOS recovery on a few motherboards and laptops.

Before starting the recovery, you should know that your computer may not support a BIOS recovery. you may refer to your laptop or motherboard’s user manual to verify if it supports BIOS recovery.

Recovery From Dell Computers

For Dell Laptops, it will either have BIOS recovery 2 or BIOS recovery 3. You cannot start BIOS recovery 2 using the external keyboard. You need to utilize the keyboard integrated into your laptop.

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If the screen stays black and you see the light blinking on your laptop, it means that the system does not have the tool torecover the BIOS.In this case, you need to download the BIOS file from the internet. However, you may only download the BIOS file for OptiPlex, Latitude, XPS, and Precision laptops.

Follow these steps to recover a drive from a USB drive. Before we start, ensure that the USB drive is empty and the file system is FAT32.

Recovery for HP Laptops

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