Default administrator password for BIOS

[AMEN7]

I am trying to do a BIOS update.

HP's support assistant tell me there is a BIOS update available.

I thought I would download the BIOS update file from the support site and install it manually. I typed in my computer's serial number, so the site could identify the relevant updates, but this failed with an "unable to detect" error message.

Accordingly, I was presented with three different BIOS updates, and no way to decide which was appropriate to my system (two of them have the same date, so going with the latest doesn't resolve the issue).

I looked at the manual hoping to find a default password. The manual says:

"If the BIOS is protected with an Administrator password, enter the password"

Very helpful. Enter the password. I would never have thought of that. But what is the password or where can I find it?

Note that I have never set a password, so there is no chance that it is anything other than the defaul

[WAWood]

@AMEN7 

There is no default Admin password or BIOS password -- those simply do not exist.

Passwords can NOT be recovered; instead, they have to be reset.

If your PC reset your password on you, we can not help in that because we have no access to either the original or the new password.

We are not permitted to assist in resetting passwords due to HP Policy.
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To reset Admin passwords, you have to contact your regional HP Customer Support location directly for assistance.
https://support.hp.com/us-en/contact-hp?openCLC=true
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BIOS and power-on passwords are contained in the firmware that is present inside the BIOS chips -- which are soldered to the motherboard and thus, are not replaceable. So, you can't just buy a replacement chip and swap them. Also, neither your nor HP can reset the BIOS password on the current motherboard. Thus, replacement of the motherboard is required with one that has a BIOS chip that does not have a password in the firmware. This is very expensive to do and can often cost more than simply replacing the PC

If you are not prepared to spend the money to get HP to replace the motherboard, you would have to take the PC to a local repair facility to see if they can do anything for you -- but we can not assist in that in any way.