Dell S2422HZ User Manual page 76

Problem
Volume down or
Volume up, OSD
volume bar no
response
Volume of
external audio
devices cannot
be adjusted
Mute or
Unmute button
on monitor,
Mute icon on
the UC platform
is not sync
No sound
coming from
the speakers
Speaker volume
is low or sounds
soft
OSD volume
adjustment is
lagging/delayed
76 | Troubleshooting
What you
experience
When you press
either Volume
down or Volume
up, OSD volume
bar shows no
response
Volume of
external audio
devices cannot
be adjusted
Mute or Unmute
button on
monitor, Mute
Icon on the UC
platform is not
sync
No sound
coming from the
speakers when
you play audio/
video on your
computer
Speaker volume
is low or sounds
soft when
speaker option is
DELL S2422HZ
or S2722DZ in
Sound setting
interface
OSD volume
adjustment is
lagging/delayed
Possible solutions
Select Echo Cancelling Speakerphone (S2422HZ
or S2722DZ) from Windows sound settings.
Select corresponding device in audio device list.
This is expected behavior.
UC Platform not sync: Zoom, Google Hangouts,
BlueJeans, Cisco Webex, Facetime, Slack,
GoToMeeting.
• Ensure that you have set the default playback
device as Echo Cancelling Speakerphone
(S2422HZ or S2722DZ) or DELL S2422HZ or
S2722DZ.
• Turn Off the monitor, unplug the monitor power
cord, replug it, and then turn On the monitor.
• Reset the monitor to Factory Settings.
• Increase the speaker volume of DELL S2422HZ
or S2722DZ to maximum in the Sound dialog
box.
• Press the Volume Up button to increase the
speaker volume of DELL S2422HZ or S2722DZ.
• Set Microphone volume to 100
• Clean Microphone hole.
• Close to monitor Microphone < 70cm.
Disable Intel Smart Sound Technology for USB
Audio driver in the Device Manager and reboot
computer.