The device's master volume may be turned down and/or muted, or certain types of audio may be disabled.
1. Touch Volume
2. If the Master Volume slider circle is set all the way to the left, touch and drag the slider to the right to raise the volume
3. If the slider is grey and the mute symbol appears to the left, touch the mute symbol to un-mute the volume
4. Press the down arrow to access the Sounds section
5. If any of the options in the Sounds section are disabled, touch the desired options to enable them