HP ProBook 450 G2 laptops have a built-in password reset feature that allows you to reset the BIOS administrator password. To use this method:
You will need to provide your serial number and UUID to HP Support.
was contacting HP Support to receive a customized file.
file to reset BIOS passwords for this model. You must contact HP Support with proof of ownership (invoice).
If the above methods do not work, you can contact HP support for assistance. HP support can provide you with a master password that can be used to reset or remove the BIOS administrator password.
; it only resets the system clock.