840 G1/G2/G3/G4, 850 G1/G2/G3, 2560p, 2570p, 8460p, 8470p. HP ProBook Series: 640 G1/G2, 650 G1/G2, 450 G1/G2/G3.
the laptop is showing (Are you stuck at a password prompt? Does it boot into Windows but lock you out of Setup?) Hp Probook Elitebook Bios Unlock V2 5.18 Software
The software, often referred to as the HPBR (HP BIOS Reset) utility, is a specialized tool designed to clear or reset BIOS/UEFI administrator passwords on older generations of HP business-class laptops. For professional users and technicians, this software serves as a critical last resort for regaining administrative control over a system when traditional recovery methods—such as the HP SpareKey or official HP SMC.bin files —are unavailable. Technical Mechanism 840 G1/G2/G3/G4, 850 G1/G2/G3, 2560p, 2570p, 8460p, 8470p