Note: This method requires disassembling the laptop and carries a risk of voiding the warranty or damaging the motherboard.

Before attempting a reset, it is crucial to understand that the HP ProBook 440 G6 (released with Intel 8th-generation processors) does not behave like older laptops.

Navigate to the utility directory (usually C:\Program Files (x86)\HP\BIOS Configuration Utility ).

Re-replicate the config back to the chip using: BiosConfigUtility64.exe /setconfig:config.txt

For a more reliable and professional solution, you can use dedicated BIOS unlock tools. The two most well-known tools in the repair community are and the HP BIOS Unlock Tool (often referred to as the "Mazzif" tool).

If attempting third-party key generators, ensure they explicitly support the architecture.