Turn on the laptop, enter an incorrect password, and press F7 when prompted for "HP SpareKey Recovery".

If the above methods don't work, you can contact HP support for assistance. They may be able to provide you with a master password or guide you through a more complex reset process.

Since official support is limited, some technical users explore community-documented workarounds. These methods are not endorsed by HP and may void your warranty or damage the device. HP ProBook X360 440 G1 Bios Password Removed

: A CMOS reset will not remove an administrator or power-on password on this model. Advanced Unofficial Recovery Methods

For business models like the ProBook G1 EE, HP may provide a customized file to reset the password. HP Support Community Requirements