Shut down the ZBook completely and unplug the AC power adapter. Remove the bottom base cover screws and remove the panel.
: 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. hp zbook 15 g5 bios password reset free
Open Command Prompt as Administrator (right-click Start button > Command Prompt (Admin) or Windows Terminal (Admin)). Shut down the ZBook completely and unplug the
Remember that BIOS passwords are security features designed to protect your hardware. If you are the legitimate owner, these methods exist to help you regain access without paying expensive service fees. If you are working with a company-issued device, always coordinate with your IT department first. They send you a file to place on a USB drive
HP will email you the file with instructions to load it onto a FAT32-formatted USB drive. Insert the USB drive into the turned-off ZBook.
For modern HP business workstations like the HP ZBook 15 G5 , resetting a BIOS password is significantly more difficult than on consumer models. Traditional "free" methods like removing the CMOS battery are generally ineffective because the password is stored in non-volatile memory (EEPROM) that does not require battery power to persist. HP Support Community 1. Official HP Support Method
Unplugging the coin-cell CMOS battery will only reset the system clock, not the password. 3 Methods to Reset Your ZBook 15 G5 BIOS Password