Dell C2723H 27" Video Conferencing Monitor - Manual (Page 101)

Troubleshooting
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101
Headset with Mic
(3.5 mm combo
jack) not working
with monitor mute
/ unmute button Headset with Mic
(3.5 mm combo jack)
has no response
when pressing the
monitor mute /
unmute button while
using UC App Use UC App Mic icon to mute / unmute
When press either
Volume down /
Volume up or Mute
button, LED not
blink When press either
Volume down /
Volume up or Mute
button, LED not blink
when connected to
HDMI or DP only Connect USB upstream (USB A to B)
cable
Camera or Mic not
working Camera or Mic not
working when
connected to HDMI
or DP only Connect USB upstream (USB A to B)
cable
Microphone not
working or not
detected Microphone not
working or not
detected on the
Voice recorder App
with Intel Gen 11th
CPU (Tiger Lake)
platform • Disable Intel Smart Sound
Technology for USB Audio driver in
the Device Manager and re-boot the
PC
• Alternatively, download the latest
Audio Driver version for your
computer or notebook
• Unplug the 2-ring headphone from
the headphone jack. Plug in a 3-ring
headphone, or use the built-in
microphone
• Unplug the 2-ring microphone from
the headphone jack as this is not
supported. Use the built-in
microphone instead