Troubleshooting | 111
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-B cable
Webcam or Mic
not working
Webcam or Mic
not working when
connected to
HDMI or DP only
Connect USB-A to USB-B 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 or
DELL P2724DEB on your system.
• Turn O the monitor, unplug the monitor
power cord, replug it, and then turn On the
monitor.
• Reset the monitor to Factory Settings.