The ZBook 15 G5 is equipped with HP Sure Start technology. This hardware feature monitors the BIOS for corruption. If an unauthorized attempt is made to flash the BIOS (via software exploits) to bypass the password, Sure Start will likely detect the anomaly and restore the original firmware—including the password lock.
Steps:
Are you locked out of your HP ZBook 15 G5 laptop due to a forgotten BIOS password? Don't worry, this article will guide you through the process of resetting the BIOS password and getting back to using your device. hp zbook 15 g5 bios password reset
Contact HP Support: HP states they cannot provide master passwords for business PCs . If the password is forgotten, they typically advise replacing the entire system board (motherboard) under warranty or as a paid service . Method 1: Using the HP BIOS Password Reset Tool