Because the password is saved directly on the BIOS chip, some users turn to hardware solutions: EliteBook 840 G3 BIOS Password - HP Support Community
Some users report HP has discontinued this service for older models like the 840 G3. 3. Generate a System Disabled Code How To Reset Bios Password Hp Elitebook 840 G3
If you previously set up security questions, you can trigger a recovery prompt. Restart the laptop and press F10 repeatedly to enter BIOS. Enter an incorrect password three times. Because the password is saved directly on the
Restart the laptop and enter the generated code to bypass the lock. 4. Advanced Hardware Reprogramming Restart the laptop and press F10 repeatedly to enter BIOS
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How To Reset BIOS Password on HP EliteBook 840 G3 (Master Guide)
Q: Will resetting the BIOS password erase my data? A: No, resetting the BIOS password will not erase your data.