Bios Mods -The Best BIOS Update and Modification Source

Hello. I need help in unlocking my bios. All I need is to get to the dual graphics options to competely switch off integrated intel HD graphics chip.
Model: HP Pavillion g6-2165sr
[attachment=8815]
Bios: [attachment=8816]

Thanks in regards.

This is HP Site Links :

http://support.hp.com/us-en/drivers/self...O5O3KA30R1

So only this one is moddable :

http://rghost.net/7kjrhZmQG

Let me know
Regards