As of 2021 (and now), there is no simple, free, or safe software-based BIOS password reset for the HP ZBook 15 G5. Any online tool or video claiming otherwise is likely outdated, malware, or targets much older HP models. The only reliable path is HP’s official SMC.bin process with proof of ownership.
: If you still have access to the BIOS but want to clear a known password, you can navigate to the Security tab or Exit tab and select Restore Defaults . Common Technical "Workarounds" hp zbook 15 g5 bios password reset 2021
: If SpareKey was silent, the only professional fix left was replacing the entire motherboard—the official HP stance—or using a hardware programmer to physically "flash" the BIOS chip, a delicate DIY surgery involving a secondary computer and specialized software. As of 2021 (and now), there is no
If all official channels fail, the final resort involves physical hardware manipulation. This is high-risk and usually voids warranties. : If you still have access to the
: Power off, disconnect all power cables, and remove the battery (if possible). Power Button Hold