SMART MX Series - Resolving Issues with Audio

CHAPTER8
TROUBLESHOOTING
47 smarttech.com/kb/171257
Issue Solutions
No image appears on a device
you’ve connected to the display’s
HDMI OUT connector.
See Using a secondary display.
The image from a device
connected to the VGA port is cut-off
or not centered.
l Make sure the computer’s background is not a dark or solid-black image.
l Switch to a different video input source, then switch backto the VGA input.
You’re experiencing other issues
with video or image quality,or the
previous solutions don’t resolve the
issue.
See Referring to the SMART knowledge base for additional troubleshooting
information on page50.
Resolving issues with audio
Issue Solutions
You’re experiencing the following
or similar issues with audio:
l No sound is coming from the
speakers.
l Sound is coming from the
speakers, but the volume is
low.
l The sound is distorted or
muffled.
l If you’re using external speakers, make sure the speakers are turned on.
l Make sure the cables connecting the display to the computer are securely
fastened.
NOTES
o
The display’s stereo 3.5 mm in connector works with the VGA input.
o
Connecting an audio cable to the display’s stereo 3.5 mm out connector
disables the internal speakers.
o
If you’re using the display’s S/PDIF out connector to connect a sound
bar or receiver for external speakers, see Connecting external
speakers on page23.
l Adjust the volume on the display and the connected computer, and make sure
both are not muted.
l Make sure the display is set as the default audio device for the connected
computer.
See the connected computer’s operating system documentation.
l If you’re using the display’s integrated speakers, set the volume for the
computer and any running applications to 80%, and then adjust the display’s
volume.
OR
If you’re using external speakers, set the volume for the computer, any running
applications and the display to 80%, and then adjust the speakers’ volume.