Dell AC511 User Manual page 10

No sound
Distorted Sound
No sound from USB
audio source.
Computer's sound
card is used as the
audio source.
2. If playing through external music devices
such as MP3 player, iPod/iPad/iPhone or
any other Android phone, ensure that the
aux-in cable is properly connected.
3. Ensure that the external music device
volume is not 0%.
4. If playing through USB streaming, set all
Windows volume controls to their
maximum.
5. Play some audio content on the computer
(for example, an audio CD or MP3 player).
6. Turn the volume to a higher level by
rotating the soundbar volume knob
clockwise.
7. Clean or reseat all cables.
8. Test the soundbar with a different music
source (for example, a portable CD player
or an MP3 player).
9. Go to the control panel of the computer
and click on Sound.
10. Try different ports.
11. Reinstall the on-board drivers or the sound
card drivers. Restart the computer.
12. Try with a known-good speaker.
Check if a 3.5 mm aux-in cable is inserted
1.
in the soundbar aux-in jack.
Remove the 3.5 mm aux-in cable from the
2.
aux-in jack.
Clear any obstructions between the
1.
soundbar and the user.
Confirm that the audio line-in plug is
2.
completely inserted into the jack of the
sound card.
Set all volume controls to their midpoints.
3.
Decrease the volume of the audio
4.
application.
Turn the volume level to lower setting by
5.
rotating the soundbar knob
counterclockwise.
Clean and reseat all cables.
6.
Troubleshoot the computer's sound card.
7.
Test the soundbar using another audio
8.
source (for example, a portable CD player
or an MP3 player).
Ensure no loose objects are touching the
9.
soundbar.