If you bought a lot of HP ProBook 440 G6 laptops that are BIOS locked, do not waste time on software. Invest in a Pomona 5250 clip and a Vertyanov SPI programmer . You will recover your investment in one afternoon.
: For older models, entering a "System Disabled" code into BIOS-PW.org can generate a master password. However, this rarely works for G6 and newer ProBooks, which often use more complex encryption. hp probook 440 g6 bios password reset