unlock bios request 250 g2

BIOS/UEFI Modding BIOS Modding Guides and Problems
1

hi some one can help me to unlock advanced menu (hidden setings) on hp 250 g2 bios version: F.1B Rev.A official bios link : ftp://ftp.hp.com/pub/softpaq/sp77001-77500/sp77233.exe thanks