HP Pavilion dv7-4180eb - Unlock InsydeH20 For AHCI

Hello,

My BIOS is locked, I want to unlock it so I can go to the "Advanced" options and change to AHCI.
Link of my BIOS: http://h10025.www1.hp.com/ewfrf/wc/softw...6&sw_lang=

BIOS = InsydeH20 (version F.29 - latest version)

Thanks