Dell P3424WEB User Manual page 104

Problem
The LAN port is
not functioning
Monitor buttons
(Mute/Volume
down/Volume
up/Hookswitch)
not working
with Microsoft
Teams App
®
Headset with
Mic (3.5mm
combo jack) not
working with
monitor mute/
unmute button
104 | Troubleshooting
What you
experience
OS setting or
cable connection
issue
Monitor buttons
(Mute/Volume
down/Volume
up/Hookswitch)
not working on
Microsoft Teams
®
App with Chrome
OS/Ubuntu
Headset with
Mic (3.5mm
combo jack) not
working with
monitor mute/
unmute button
Possible solutions
• Ensure that the latest BIOS and drivers for
your computer are installed on your computer.
• Ensure that the RealTek Gigabit Ethernet
Controller is installed in the Windows Device
Manager.
• If your BIOS Setup has a LAN/GBE Enabled/
Disabled option, make sure it is set to Enabled.
• Ensure that the Ethernet cable is connected
securely on the monitor and the hub/router/
firewall.
• Check the status LED of the Ethernet cable
to confirm connectivity. Re-connect both
ends of the Ethernet cable if the LED is not
lit.
• First power off the Computer and unplug the
Type-C cable and power cord of the monitor.
Then, power on the computer, plug in the
monitor power cord and Type-C cable.
Use Microsoft Teams
below tasks:
• Call Icon to accept/hang up call
• Volume down/Volume up adjustment
• Mic mute/unmute
• Video on/off
• Use UC App (e.g. Microsoft Teams, Skype
for Business, Zoom, etc.) Mic Icon to mute/
unmute
• Select 'Echo Cancelling Speakerphone'
audio path in the 'Sounds Setting' on UC
application.
• Connect the USB-C to C cable or USB-A to
B cable.
App to perform the
®