I have lenovo ideapad 520 model laptop and I want to open the hidden advanced menu of my laptop bios. I got the attached file with the eeprom device. I opened the file with the uefitool program but I don’t know what to change. Please help me!
Laptop model: ideapad 520-15IKB (81BF00BTTX)
Bios version: 6JCN31WW (insydeH2O V5.0)
6jcn31ww.rar (5.01 MB)