Dont know what Z77 you have, if theres no ME Info inside bios navigation, use Intel ME 8.x tool s package: Intel (Converged Security) Management Engine: Drivers, Firmware and Tools (2-15) - Special Topics / Intel Management Engine - Win-Raid Forum (level1techs.com)
C. Intel (CS)ME System Tools
ME System Tools v8 r3.rar
Run CMD meinfowin(64).exe