Default administrator password for BIOS

[BeQuieT]

Notebook HP ProBook 450 G4

BIOS is protected with an Administrator password, enter the password.

I can't update BIOS and switch Legasy on UEFI OS with GPT Hard disk.

"Halt code" did't receive, it just empty.

BIOS: P85 Ver. 01.06

S/N: [Private information removed]

SKU Number: Y8A18EA#ACB

UUID: 1F9D23CC-FDF5-4AE9-A554-7F789718D918

System Board ID: 8231

System Board CT Number: PGDZT018J878LN

[WAWood]

@BeQuieT 

There is no such thing as a DEFAULT password.

I'm really sorry that we can not help you with this, but Community policy prohibits us from assisting you in any way with bypassing or resetting passwords.

For BIOS or power-on password resets, read this HP thread: https://support.hp.com/us-en/document/c06368824.

If you are not prepared to spend the money to get HP to replace the motherboard for BIOS password resets, you could take the PC to a local repair facility to see if they can do it for you -- but we are unable to assist in that.

For Admin password resets, you have to contact your regional HP Customer Support location directly for assistance.
https://www8.hp.com/us/en/contact-hp/ww-phone-assist.html