Troubleshooting
|
107
Problem
What you
experience
Possible solutions
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-A to USB-C cable
Webcam or Mic
not working
Webcam or Mic
not working
when connected
to HDMI or DP
only
Connect USB-A to USB-C cable
Ethernet port
(RJ45) cannot
connect to
internet
Ethernet port
(RJ45) cannot
connect to
internet on Win
10 / Win 11
Change the LAN Controller Power Saving from
Enable to Disable
No sound
coming from
the speakers
No sound
coming from the
speakers when
play audio/video
on your system
• Ensure that you have set the default playback
device as Echo Cancelling Speakerphone DELL
U3223QZ on your system.
• Turn Off the monitor, unplug the monitor power
cord, replug it, and then turn On the monitor.
• Reset the monitor to Factory Settings.