Dell AC511 User Manual page 12

Aux-in no sound
Aux-in distortion
Headphone jack is
connected, but no
sound is heard
Headphone jack
connected
Soundbar cannot
mount to the
monitor
No sound using the
aux-in function
Aux-in cable is not
properly plugged in
USB streaming or
external audio source
is not playing music
and volume is 0%
Audio distortion
T-Hook
Ensure that the aux-in cable is properly
1.
plugged in the soundbar's aux-in jack and
to the aux-out jack of the audio device.
Try using a different or known good aux-in
2.
cable.
Check if the audio device is turned on or is
3.
playing music.
Ensure that the audio device volume is not
4.
set to 0% volume level.
Try replacing the audio device with a
5.
known-good audio device.
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
audio source.
Decrease the volume of the audio source.
3.
Turn the volume level to a lower setting by
4.
rotating the soundbar knob
counterclockwise.
Clean and reseat the cables.
5.
Turn the bass or wave setting lower.
6.
Turn the "Wow Surround" setting lower.
7.
Ensure that the soundbar is properly
8.
attached on the monitor.
Ensure no loose objects are touching the
9.
soundbar.
Check if the platform music player or
1.
external audio source is playing music.
Check if the audio source and the
2.
soundbar volume are not set to 0%.
Check if the headphone plug is properly
1.
inserted into the soundbar headphone jack.
Check if the headphone plug is not
2.
showing intermittent connection.
Check if the music file is not distorted
3.
when playing without the headphone or
connected to a known good headphone.
Check if the T-Hook is missing.
1.
Check if the T-Hook is not damaged or
2.
broken.
Check if the Monitor/LCD soundbar slot is
3.
open and that no Mylar covers obstruct the
slots.