Unlike consumer laptops (Pavilion, etc.), the G5 business line does not allow you to bypass this by typing a generic code. The system generates a cryptographic hash that usually requires HP's internal "Unauthorised Service Entry" (USE) generator, which is strictly limited to HP Authorized Service Providers.

Upon answering correctly, you can reset the password or enter the BIOS. Method 3: Using the HP BIOS Configuration Utility (BCU)

Enter an incorrect BIOS password three times until the laptop displays a "System Disabled" screen with a reference code (e.g., an 8-digit code sometimes starting with 'A'). Generate a Master Password:

There are several reasons why you might need to reset the BIOS password on your HP ProBook 650 G5:

On older consumer laptops, pulling the coin-cell CMOS battery for a few minutes clears the clock and volatile memory, wiping the password. On the ProBook 650 G5, doing this only resets the system time. The password remains securely written to the non-volatile chip.

The HP ProBook 650 G5 is built for security. While the CMOS battery trick is a myth for this model, the method remains the gold standard for recovery. Always ensure you document your passwords in a secure manager like Bitwarden or Keepass to avoid these technical hurdles in the future.

After three failed password attempts, a prompt will appear (often by pressing F7 ).

reset the password. For persistent locks, professional hardware intervention is required: BIOS Chip Replacement

Do you have access to specialized tools like a ?

Resetting the BIOS administrator password on an HP ProBook 650 G5 Go to product viewer dialog for this item.

Run the utility to create a file named SMC.bin .