BIOS corruption has been detected on Windows computer [Fix]

If your system’s BIOS is corrupted, you cannot use your computer until you fix this issue. In this case, your computer shows the “BIOS corruption has been detected” or a similar message on your screen. This message won’t go away, and you will see it every time you turn on your computer. A BIOS corruption can occur due to several causes, such as a power surge. Some users reported that a Windows Update has corrupted their BIOS. This article lists some fixes for this problem.

Some similar BIOS corruption messages are as follows:

BIOS corruption has been detected. BIOS recovery files can’t be found.

BIOS corruption has been detected, and Auto-Recovery is triggered. Power status: Inadequate.

BIOS corruption has been detected, and Auto-Recovery is triggered. Power status: OK.

The fixes provided in this article work for all these corrupted BIOS errors.

Fix BIOS corruption has been detected error on Windows computer

Use the following fixes if you see the BIOS corruption has been detected message when booting your computer. According to reports, this problem occurred mostly with Dell laptop users, but it may also occur on other computers.

To fix this issue, you have to recover the BIOS. The BIOS recovery method is different for all laptops. We have explained the steps to recover the BIOS for a Dell laptop or PC. To recover BIOS on another computer, visit the official website of that computer and follow the steps listed for your computer model, or you can contact support.

On your Dell laptop, follow these steps:

Force shut down the laptop by pressing and holding the power button.
Unplug the charger.
Press and hold the Ctrl + Esc key.
Do not release the Ctrl and Esc keys. Connect the charger and press the power button. Release the Ctrl and Esc keys when your laptop turns on.

Dell desktop users need to follow these steps:

Force shut down your PC.
Press and hold the Ctrl + Esc keys.
Keep the keys pressed and turn on the computer. Release the keys when your PC turns on.

When the computer turns on, it will show you the options to recover your BIOS. Select the Recover the BIOS option and click OK. The BIOS recovery process will start. Do note that your laptop should get a continuous power supply during the BIOS recovery process. An interrupted power supply during this process will result in a motherboard malfunction.

Recover BIOS manually

If the above fix does not work or your Dell laptop or PC does not have the BIOS recovery tool, you have to recover the BIOS manually. For this, you need a working computer, a USB flash drive of at least 2 GB storage space, and an active internet connection.

On a working computer, visit the official Dell website and download the latest version of your Dell laptop/desktop BIOS. Insert the USB flash drive into one of the USB ports of the working computer. Format the USB flash drive to the FAT32 file system. Now, enable the File name extensions. Rename the BIOS file you downloaded to BIOS_IMG.rcv. Here, rcv is the file extension. Now, insert this USB flash drive into your Dell laptop/desktop and then turn it on. It will automatically start recovering the BIOS. Ensure that your computer gets a continuous power supply during the BIOS recovery process.

Workaround

If none of these methods work for you or you cannot enter the BIOS, try this workaround. Turn off your computer and disconnect its battery. Now, press and hold the power button for 30 seconds. This will hard reset the computer. Now, connect the charger and turn on the power supply. You may see the BIOS recovery screen this time.

If the BIOS recovery screen does not appear or you cannot recover the BIOS, you need to contact Dell support for further assistance.

That’s it. I hope this helps.

How do I fix a corrupted BIOS?

To fix a corrupted BIOS, you have to recover it. Most modern computers have a built-in BIOS recovery tool that is triggered when the BIOS corruption is detected. If your laptop does not have this built-in BIOS recovery tool, you have to recover the BIOS manually. Refer to the user manual of your computer to know the correct procedure for BIOS recovery.

How do I fix the Dell BIOS auto recovery?

You do not need to fix the Dell BIOS auto recovery. It is a useful feature that helps you recover your BIOS if it is corrupted. Most new Dell laptops have a built-in BIOS recovery feature. If your laptop does not have this feature, you can recover BIOS manually by downloading the correct file from your computer manufacturer’s official website.

Read next: Legacy Boot is greyed out in BIOS.