Attempting to use the wrong utility can sometimes trigger a "Security Lockout" timer, making even the official HP method more difficult. Summary for the 840 G6
: Restart the laptop, enter BIOS, and use the generated key as the password. 3. HP BIOS Configuration Utility (BCU) - Advanced Only Technically skilled users sometimes use the HP BIOS Configuration Utility
If you need to know if your specific EliteBook 840 G6 has Computrace activated, or need help finding the specific forum for generating the SMC.bin, please share the first 4 characters of your serial number.
This is the for the HP EliteBook 840 G6. Proceed with caution.
: The most effective way to unlock a G6 model is to physically desolder the BIOS chip from the motherboard and use a programmer (like the TL866II Plus
You place this file on a FAT32-formatted USB drive, insert it into the G6, and boot the system using a specific key combination (usually holding Windows Key + Arrow Up + Arrow Down or Windows Key + B during power-on) to clear the password.
If you do not have SpareKey, you can try generating an unlock code using the system's "disabled" hash. Generate Code
