Question: Normal picture but no sound

Answer:

Reason:

1. Volume too lower

2. Inserted an earphone

3. Single problem

Step:

1. Depress the volume button; check if volume is too lower.

2. Check whether pressed the mute button, try to depress it again.

3. Turn to another program to see whether it's a single problem.

4. Check if it has inserted an earphone.

Solution:

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