A.Theaudiocableisnotconnectedtothedrive.
B.Theribboncableisnotconnected.
C.Thepowercableisnotconnected.
D.TheCD-ROMdriversarenotinstalled.
参考答案:A
A.Theaudiocableisnotconnectedtothedrive.
B.Theribboncableisnotconnected.
C.Thepowercableisnotconnected.
D.TheCD-ROMdriversarenotinstalled.
参考答案:A