: This code is a hash. You can use free community tools like bios-pw.org or biospark.com to enter your code and generate a master password.
If you do not see a prompt for SpareKey or do not know the answers, this method is unavailable. hp zbook 15 g5 bios password reset free
In older laptops, removing the CMOS battery (a coin cell battery on the motherboard) would cut power to the volatile memory storing the BIOS settings, effectively resetting the password to blank. : This code is a hash