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Table 16. Symptoms and solutions (continued)
Symptoms
Suggested solutions
●
2. Enable External USB Port
●
3.
Enable Thunderbolt Boot Support
PXE boot on dock does not function.
●
If your BIOS has an integrated NIC page, select
Enabled
w/PXE
.
●
If your BIOS Setup on your system has an Thunderbolt
Configuration page, ensure that the following options are
checked:
●
1. Enable USB Boot Support
●
2.
Enable Thunderbolt Boot Support
USB Boot does not function.
●
If your BIOS has an Thunderbolt Configuration page,
ensure that the following options are checked:
●
1. Enable USB Boot Support
●
2. Enable External USB Port
●
3.
Enable Thunderbolt Boot Support
AC Adapter is displayed as “Not Installed” in the Battery
Information page of the Dell BIOS Setup when the Type-C
cable is connected.
●
1. Ensure the Dell Thunderbolt Docking Station WD19TBS
is connected properly to its own adapter.
●
2. Ensure the cable LED of your docking station is ON.
●
3. Disconnect and re-connect the Thunderbolt 3 (Type-C)
cable to your system.
Peripherals connected to the docking station do not work in a
pre-OS environment.
●
Thunderbolt Boot Support is by default that is disabled
in BIOS Setup on your Dell system. With such default
setting the docking station and the peripherals that are
connected to the docking station do not work in a pre-OS
environment.
●
If the BIOS Setup on your system has an Thunderbolt
Configuration page, check the following options to enable
docking station function in a pre-OS environment:
●
Enable External USB Port
●
Enable Thunderbolt Boot Support
Alert message “You have attached an undersized power
adapter to your system” is displayed when the docking station
is connected to your system.
●
Ensure that the docking station is connected properly to
its own power adapter. Computer requiring more than 130
W power input must also be connected to their own power
adapter for charging and operating at full performance.
●
First power off the docking station by disconnecting the
Type-C cable and then removing power adapter from the
dock. Then, power on the docking station by connecting
the power adapter to the dock before connecting the
Type-C cable to your system.
Undersized power adapter warning message that is displayed
and cable LED are off.
●
The docking connector has disconnected from the
system's Thunderbolt ports. Reconnect the docking cable
from the system, wait for 15 seconds or more, and then
dock again.
No external display. USB or data and cable LED is off.
●
The docking connector has disconnected from the
system's Thunderbolt ports. Reconnect the docking
connector.
●
Undock and reboot the system if the above steps do not
work.
When system or dock is moved the cable LED turns off.
●
Avoid moving the system/dock when the docking cable is
connected to the system.
With Ubuntu 18.04, WIFI will be turned off when the docking
station is connected to the system and the WIFI turns On
again after rebooting the system.
●
Please uncheck the option
Control WLAN radio
in BIOS.
●
Option is available in - Settings -> Power Management ->
Wireless Radio Control.
36
Troubleshooting the Dell Thunderbolt Docking Station WD19TBS