When you enter a wrong password multiple times, the ZBook may display a "System Disabled" message followed by an 8-digit code (often starting with 'A').
Resetting the BIOS password on your HP ZBook 15 G5 is relatively straightforward using a jumper on the motherboard or a key combination. If you're not comfortable with these methods, you can try using free tools and software. Remember to be cautious when using third-party tools, and always follow proper safety precautions when working with electronics. hp zbook 15 g5 bios password reset free
: Removing the CMOS (coin-cell) battery will reset the system clock but will not clear the BIOS password on this model, as the password is stored in non-volatile memory. When you enter a wrong password multiple times,
– Some G5 models have a SMC_RST pad near the CMOS battery. Shorting it to ground discharges the EC memory, sometimes resetting passwords. Remember to be cautious when using third-party tools,
: Resetting your Windows password or performing a "Reset this PC" within Windows will not affect the BIOS/UEFI firmware password. Unofficial "Free" (But Risky) Alternatives