For an HP ZBook 15 G5, standard "free" tricks like removing the CMOS battery or using universal master passwords generally do not work because the password is stored in non-volatile memory
The Process: You provide your serial number and UUID to HP. They send you a file to place on a USB drive. You boot the laptop with the drive inserted, which clears the password.
Unlock: Visit a free generator like bios-pw.org or biospog.com and enter the code to see if an unlock key is generated.
- You've forgotten the password and can't access your computer.
- You've acquired a used laptop with a set BIOS password.
- The password was set by someone else, and you don't know what it is.
if you cannot prove ownership with an original bill of sale. You can start a request via the HP Support Portal HP Support Community 3. Methods That Generally Do NOT Work CMOS Battery Removal:
Some HP laptops, including the ZBook 15 G5, have a built-in feature to reset the BIOS password using a key combination. Try the following:
