Hp Probook Elitebook Bios Password Reset Utility By — Mazzif New [best]
Once in the DOS prompt, type HPBR and follow the menu.
Using the tool may wipe the laptop's Serial Number or Part Number from the BIOS. It is recommended to write these down beforehand so you can re-enter them using the tool's "Reprogram" feature if needed.
The , commonly referred to as HPBR and created by the developer Mazzif , is a widely recognized community tool for unlocking BIOS-level security on older HP business laptops. Unlike standard consumer models where a simple CMOS battery pull might work, HP business-grade machines store security credentials in a dedicated chip that persists even without power. Core Functionality of the Utility Once in the DOS prompt, type HPBR and follow the menu
Insert the USB into the locked HP laptop. You must be able to boot in Legacy Mode (UEFI disabled) for the tool to run.
For HP G-series laptops (G1, G2, etc.) or models with "System Disabled" codes starting with "A", this utility may not work. Some users have success using online code generators for those specific scenarios. Reset forgotten HP laptop bios password A [12345678] The , commonly referred to as HPBR and
According to documentation from Mazzif's original release , the utility officially supports a range of models including:
To use the tool, you typically need a secondary Windows machine to prepare a bootable USB drive. You must be able to boot in Legacy
6550b, 6460b, 2230s, 6455b, 8530p, 4310s, 4510s, 6535b, 6730b, 6735b. How to Use the Utility
Select "First Run" , then choose your specific model. After a reboot, you may need to run "Second Run" to finalize the clearing of the TPM and password. Critical Cautions
The utility works by generating a model-specific .bin or .exe file that, when executed in a DOS environment, interacts with the laptop's TPM (Trusted Platform Module) and BIOS chip to clear the administrator password.