As of 2021, HP's official policy for business-class notebooks like the ZBook 15 G5
For the ZBook 15 G5, HP implemented the architecture. If the laptop is managed by an organization, the BIOS password might be a "BIOS Setup Password" that can be removed remotely or via the HP BCU tool if you have access to the Windows partition.
While this article focuses on 2021, it’s worth noting that soon after, HP introduced via HP Sure Admin. Newer models (G7, G8, and G9) rely on cloud-based verification. However, the HP ZBook 15 G5 remains in heavy use even today, and the 2021 methods—especially the HP BIOS Configuration Utility approach—continue to work perfectly as of 2025. hp zbook 15 g5 bios password reset 2021
The official HP utility, SPI flashing, or HP service center.
April 19, 2021 (Archived) Author: Hardware Recovery Team As of 2021, HP's official policy for business-class
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
For units out of warranty or where official support is not an option, some technical workarounds exist, though they carry risks of bricking the device. Newer models (G7, G8, and G9) rely on
This only works if the device is not locked by HP Sure Start (which detects unauthorized BIOS changes). On many 2021 BIOS versions, even HP support may require a motherboard replacement if the SMC method fails.