Bios Mods -The Best BIOS Update and Modification Source

Hello, I'm newbie in this . Can anyone help me from this?

HP G72-b60SS
InsydeH20: F.48
Link 1: http://h10025.www1.hp.com/ewfrf/wc/softw...22&sw_lang=
Link 2: http://www.mediafire.com/?1ffcmwe71kyoaut
Bios backup: http://www.mediafire.com/?7r4n87129mpuv2h

Please, I need to unlock if it's possible.
Thanks to all.

P.S: Sorry for the duplicate post.