This report outlines the status and procedures for resetting the BIOS administrator password on an HP ZBook 15 G5 as of 2021. Current Status & Policy (2021)
The Process:
Requires disassembling the laptop to locate the BIOS chip on the motherboard. Requires a second computer to run the flashing software. hp zbook 15 g5 bios password reset 2021
: The password is stored in non-volatile memory (NVRAM/EEPROM). Removing the RTC/CMOS battery will only reset the system clock, which can actually cause issues if you later try to use professional recovery tools. Standard BIOS Reset (F10) This report outlines the status and procedures for
While this article focuses on 2021, it’s worth noting that soon after, HP introduced BIOS Password Recovery Token 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. Disassembly: Remove the motherboard entirely
flashrom -p ch341a_spi -w modified.bin.