HP 2740p BIOS password

I recently bought an HP 2740p with a BIOS password locked that i cannot access, it came from a legit source and the guy just forgot the password, my question is does removing the RTC battery or CMOS battery resets the password? And I just to be make sure, is the Sophos Safeguard Logon the BIOS password? If the CMOS battery removal does not work is formatting the hard drive the easiest way or purchasing a recovery cd from hp?

Hi:
Let me just be clear on your issue:
Is the password in the BIOS or is it the Windows logon password?
If the password is in Windows and you can't access the operating system, then yes, you can reformat. There should be a recovery partition on the notebook, and you hit the F11 key at bootup and select the recovery option. It will erase everything on the hard drive and restore the notebook like the day it was shipped from the factory.
If the password is in the BIOS, that will prevent you from making any changes to the system configuration. You will not be able to add any hardware (hard drive, memory, etc), or change the boot order or any other settings in the BIOS.
Reformatting the hard drive or flashing the BIOS will do nothing to erase the BIOS password because the password is stored on a hardware memory chip soldered onto the motherboard, not on the hard drive like the Windows password is. You probably won't be able to flash the BIOS without providing the password, and even if you can, the password will still remain intact.
HP technical support cannot help. They only way they can help is if the person who owned the notebook originally, submitted the BIOS password to HP for safe keeping via the HP Sparekey program, which is found on newer HP business notebooks from the last 2-3 years or so.
The original owner has to contact HP to retrieve the password (if they registered it in the first place), and even then they will have to provide proof of ownership before HP will release the password.
Unless the person who sold you the PC can remember the BIOS password (if it is the BIOS password), there is nothing you can do.
Paul

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