If the laptop suddenly boots into the BIOS setup, you have bypassed a temporary lock. However, for a full permanent reset, we need hardware intervention.
If you are staring at a black screen asking for a "System Password" or "Administrator Password," you have hit the BIOS lock. This article is a deep dive into the process. We will cover why standard resets fail, the difference between User and Supervisor passwords, and the only reliable methods to regain control of your machine. --- Panasonic Cf-54 Bios Password Reset -