Use biometrics for daily authentication so you do not have to rely on memorizing complex boot passwords.
: This involves using a physical hardware programmer (like a CH341A Programmer) to manually read and overwrite the BIOS chip's firmware.
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To save time, avoid trying the following techniques, as they do not work on the HP ZBook 15 G5: (Only resets time/date). hp zbook 15 g5 bios password reset 2021
This only worked if the laptop was never updated.
HP will email you a zipped file containing SMC.bin .
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. Use biometrics for daily authentication so you do
The standard and most reliable way to clear a BIOS password on a G5 generation machine is by contacting HP Support to obtain a customized file. Prerequisites
: Technicians use a CH341A Programmer clip to read the BIOS chip directly, modify the hex code to remove the password string, and flash the chip back.
If your HP ZBook 15 G5 is still under an HP Care Pack or warranty (many G5s sold in 2019-2020 still had coverage in 2021), attempt a DIY reset may void that warranty. This link or copies made by others cannot be deleted
for ZBook 15 G5. If you forget the password, the only official method is to:
Insert the USB drive into the turned-off ZBook. Hold down the Windows Key + Arrow Up + Arrow Down keys simultaneously, then press the Power button. Release the keys once the HP logo appears. The system will read the file and clear the password. Method 2: BIOS Chip Reprogramming (Hardware Method)
Prepare your original purchase invoice or company deployment documentation. HP will not assist without proof of ownership.
: On some models, entering the wrong password three times generates a "System Disabled" code. You can try entering this code into third-party recovery sites like bios-pw.org to see if an unlock key can be generated, though this rarely works for the G5 series . Laptop BIOS Password Removal DIY BIOS Repair & Reprogram