If successful, the BIOS will grant access and allow you to clear or change the password. Method 4: Hardware EEPROM Flashing (Advanced Users Only)

If the laptop is out of warranty and you cannot provide proof of ownership to HP, the ultimate hardware solution involves flashing the physical EEPROM chip on the motherboard.

Enter the wrong password three times. The screen will display a message, typically "System Disabled" followed by a code (e.g., i 54321098 or A-12345678).

Resetting the BIOS password on your HP ProBook 440 G6 can be a challenging task, but it's doable using the methods outlined above. If you're not comfortable with the process, it's recommended to contact HP support or a professional technician for assistance. Remember to always keep your BIOS password secure to prevent unauthorized access to your computer.

: If your drive is encrypted with BitLocker, clearing the TPM (Trusted Platform Module) during a BIOS reset may permanently lock you out of your data unless you have the recovery key.

"Now it says 'Unauthorized BIOS Change' and won't boot."

If you have not done this before, I can guide you on finding the exact, safe site to get the SMC.bin or the right code generator.