12 Maya of the zodiac bought a new stereo, turned on the power and played the tape. Why is there no sound? One answer:

Why is there no sound when I open the tape? ) 1 You didn't press the start key. 2. Press other keys to mute audio. 3. Audio doesn't play tapes (CD or other multimedia audio sources). 4. You didn't plug in the power supply at all. 5. The new audio is broken. 6. The power supply voltage is insufficient or dead. 7. The wiring is incorrect. 8. The audio doesn't work due to high temperature or other reasons (such as high voltage). 9. Volume. ! ! ! !