and store it in a secure physical location (e.g., a safe) if this is a personal device.
Press the for 2–3 seconds while holding the keys. If successful, you will see a "CMOS Reset" message. 2. HP BIOS Configuration Utility (BCU) hp zbook 15 g5 bios password reset free
The HP ZBook 15 G5 has no simple software-only, no-cost BIOS password reset. The free methods either require physical access, a cheap SPI programmer, or the presence of a rarely included motherboard jumper. For most users, the most practical free method is to check for the password reset pads; failing that, the only reliable zero-cost solution is using an SPI programmer and open-source decoding tools—a process that demands technical skill. For corporate environments, maintaining a master BIOS password database is the only truly cost-free prevention. and store it in a secure physical location (e
That said, if you have exhausted all other methods, attempting a CMOS battery removal carries no cost aside from your time and some disassembly risk. Remove the CMOS battery for at least 30 minutes to ensure all residual charge drains from the motherboard before reinstalling. For most users, the most practical free method