If official support is not an option, some independent repair shops use advanced hardware methods.
The BIOS password, also known as the CMOS password, is a security feature that protects your computer's Basic Input/Output System (BIOS) settings from unauthorized access. It's usually set in the BIOS setup utility and requires a password to enter the BIOS settings or boot the computer. hp elitebook 840 g7 bios password reset
If you are resetting a lost or stolen laptop, stop now. The methods below are for educational and legitimate recovery purposes only. If official support is not an option, some