Dell AC511 User Manual page 14

No Sound Sound bar has
power – power
LED indicator is on.
use a known
keyboard (or any other USB
device) to see if it works on
the same USB port.
• If the known good USB device
is not working on the same
port, or the original sound bar
works properly on another
system, the former system's
USB I/O may be defective.
• If known good USB device
works, or the sound bar does
not work properly on another
system, replace the sound bar
with a good one.
• If
playing
streaming, ensure that a music
file is playing from the platform
and the volume level is not 0%.
• If playing through external
music devices such as MP3
player, iPod/iPad/iPhone or
any other
ensure that the aux-in cable is
properly connected.
• Ensure that the external music
device volume is not 0%.
• If
playing
streaming, set all Windows
volume controls
maximum.
• Play some audio content on
the computer (for example, an
audio CD or MP3 player).
• Turn the volume to a higher
level by rotating the sound bar
volume knob clockwise.
• Clean or re-seat all cables
again.
• Test the sound bar with a
good USB
through USB
Android phone,
through USB
to their
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