This is the safest software-based method. No soldering or shorting required.
For IT professionals dealing with multiple G8 units, understand the HCU (Hardware Configuration Unique) and BID (Board ID). hp elitebook 850 g8 bios password reset upd
When you see a UPD code on an 850 G8, it is actually a function of: This is the safest software-based method
HP’s official tool (HP Unlock Tool 7.2+) takes these plus the UPD to generate a SMC.bin. Some third-party tools now emulate this by reading the BID via a USB bootable Linux drive. HP’s official tool (HP Unlock Tool 7
Before proceeding, please note: Modern business-class laptops like the EliteBook 850 G8 utilize advanced security chips (TPM) and non-volatile memory. Unlike older laptops, simply removing a CMOS battery will not reset the BIOS password. The password is stored in a security chip that requires specific HP proprietary tools to unlock.