Various open-source scripts and online "BIOS Password Generators" exist.

If you are locked out of your BIOS, here is a breakdown of what works and what doesn't for the 840 G6 model: :

: Some users find success by entering the wrong password three times to generate a "System Disabled" code. If the code starts with the letter 'A', third-party sites like BIOSSpark may be able to generate a one-time unlock key based on that code.