compaq presario cq40 301TU BIOS UNLOCK

My pc has insyde h20 f.66 3.5 bios.....but it doesnot have 'advanced' tab.....can you please help me to unlock it for the advanced tab please.....
FOLLOWING ARE DOWNLOAD LINKS FOR BIOS AND MOTHER BOARD SPECIFICATIONS


BIOS Download link: http://ftp.hp.com/pub/softpaq/sp48501-49000/sp48847.exe
motherboard manufacturer: hewlett packard