On the G7 platform, shorting pins near the real-time clock battery will reset the system clock and revert basic hardware settings to default, but the supervisor password will remain completely untouched.
Company credentials (if the laptop is owned by an organization). hp elitebook 840 g7 bios password reset
available to present to HP support, or are you looking for a technical DIY walkthrough for the chip-level reset? BIOS Password Reset Request – HP EliteBook 840 G7 On the G7 platform, shorting pins near the
to read and modify the hex data or erase it to restore factory defaults. Bypass Tools On the G7 platform