If you are a school or business, HP provides a via their HP Partner Portal.

If the device is yours and not stolen/borrowed, contact HP support or your IT department. They can generate a one-time unlock code based on the displayed on screen.

Before you start unscrewing the bottom panel, consider the official path. If your organization purchased the laptop with an HP warranty still active, this is the easiest and safest method.

Software such as or AsProgrammer installed on the secondary computer. Step-by-Step Hardware Reset:

What do you have access to right now?

Restart your laptop, go back to the BIOS prompt, and enter the generated password. If it works, immediately navigate to Security and clear the administrator password. 2. Using HP SpareKey Recovery

Before you start any hardware method, double-check that the keyboard is functioning correctly. On the G1 EE, a faulty Shift or Enter key can make a correct password appear wrong. Test the keyboard in an external OS (like Ubuntu Live USB) before assuming you are locked out.

If you still have administrator access to the Windows operating system on the laptop, you can try resetting or clearing the password using HP's official deployment tools. Step-by-Step Process

What do you see exactly when trying to enter the BIOS?