User Manual

Symptoms Suggested solutions
The video on the attached monitor is not
displaying as an extended monitor.
Make sure the Intel HD Graphics software is
installed in the Windows Device Manager.
Open the Intel HD Graphics Control Panel and
go to the Multiple Displays control to set the
display to the extended mode.
The audio connector is not functioning or there is
a lag in the audio.
Ensure that the correct playback device is
selected in the computer.
If your BIOS setup has an Audio Enabled/
Disabled option, make sure that it is set to
Enabled.
The most likely cause of audio output
problems on the docking station is a bad
audio-out connector. First try powering off and
then powering on the docking station. If that
fails, try to replug in the audio cable to the
docking station from the external speaker
output.
The USB ports are not functioning on the docking
station.
Ensure that the computer is connected with
the docking station. Try to disconnect and
reconnect again with the docking station.
If your BIOS setup has a USB Enabled/Disabled
option, make sure that it is set to Enabled.
Check the USB ports. Try plugging the USB
device into another port.
Please check if the plugged device is shown in
the Windows Device Manager.
The HDCP content is not displayed on the
attached monitor.
The docking station does not support HDCP
content.
The LAN port is not functioning.
Ensure that the Ethernet cable connections are
secured at the firewall and the hub or
workstation.
If your BIOS setup has a LAN/GBE Enabled/
Disabled option, make sure that it is set to
Enabled.
Make sure the Realtek Gigabit Ethernet
controller is installed in the Windows Device
Manager.
Please reinstall the Realtek Ethernet Driver or
update your BIOS from Dell.com/support.
Cable LED is not ON after it is connected to your
host.
Ensure that your WD15 is connected to AC.
Ensure that the computer is connected to the
docking station. Try to disconnect and
reconnect again with the docking station.
USB port does not function in pre-OS
environment.
If your BIOS has a USB/Thunderbolt Configuration
page, please make sure that the following options
are checked:
1. Enable USB Boot Support
2. Enable External USB Port
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