If the BIOS password was set by a company (e.g., your work/school) and the laptop is no longer managed, you can try the HP password generator method.
You will find many websites offering "HP BIOS Password Generators" or "Master Passwords" for free.
Warning: Be extremely cautious of executable "reset tools" found on forums or YouTube. These are frequently malware vectors. hp zbook 15 g5 bios password reset free
A proven method for many HP business laptops (EliteBook, ZBook) up to 2019-2020 involves:
Requirements:
Process:
Note: This requires opening the laptop, possible desoldering, and risks bricking if done incorrectly. If the BIOS password was set by a company (e
If the above steps do not work, the "free" options have been exhausted. The ZBook 15 G5 is designed so that the BIOS password cannot be bypassed by simple hardware tricks to prevent theft.
The Official Solution: