This is the safest and most reliable method for the HP ZBook 15 G5 in 2021. It uses HP’s own BIOS configuration utility.
How to Reset the BIOS Password on an HP ZBook 15 G5 (2021 Guide) hp zbook 15 g5 bios password reset 2021
While it rarely clears the administrator password on G5 models, it can resolve standard BIOS corruption or startup issues. HP Support Standard Discharge This is the safest and most reliable method
For the ZBook 15 G5 (released 2018-2019), HP implemented . The laptop does not store a plain-text password. Instead, it stores a hash tied to the TPM 2.0 chip and the Intel Management Engine (ME). HP Support Standard Discharge For the ZBook 15
You cannot reset an HP ZBook 15 G5 BIOS password with a USB drive or a code generator. If you see that lock screen in 2021, you need physical hardware tools (SPI Flasher) or a proof of purchase for HP support.
This process requires soldering skills and specialized software; it can permanently "brick" the laptop if done incorrectly. 4. What Does NOT Work HP PCs - Reset the computer