笔记本的BIOS界面: 操作步骤: 机型 进入BIOS方式 扬天 V V350,V360,V370,V450,V460,V470,V470c,V550 V550A,V560,V570,V570c 扬天 B B450,B450A,B450L,B460,B460c,B460e,B465c,B470,B470e B475,B475E,B550,B560,B570,B570e,B575,B575E,B40-30 B40-45,B40-70,B40-70 Touch,B50-30,B50-30 Touch,B50-45 B5…