HP provides a utility called the "HP BIOS Configuration Utility" (BCU) that can be used to reset the BIOS password. However, this utility requires a password to unlock the BIOS settings. If you've forgotten the password, you'll need to use other methods.
If the above methods don't work, you can contact HP support for assistance. They may be able to provide a password reset utility or guide you through the process. hp elitebook 840 g6 bios password reset utility
You're looking for a way to reset the BIOS password on an HP EliteBook 840 G6 laptop. Here are some insights: HP provides a utility called the "HP BIOS