Dell EMC WD19, User Manual

Troubleshooting the Dell Thunderbolt Docking 

Station WD19TB 

Symptoms and solutions

Table 18. Symptoms and solutions

Symptoms

Suggested solutions

1. No video on the monitors attached to the High Definition 
Multimedia Interface (HDMI), or DisplayPort (DP) port on the 
docking station.

•

Ensure that the latest BIOS and drivers for your computer and 
the docking station are installed on your computer.

•

Make sure your computer is connected to the docking station 
securely. Try to disconnect and reconnect the docking station 
to the notebook computer.

•

Disconnect both ends of the video cable and check for 
damaged/bent pins. Securely re-connect the cable to the 
monitor and docking station.

•

Make sure the video cable (HDMI, or DisplayPort) is connected 
properly to the monitor and the docking station. Ensure to 
select the correct video source on your monitor (refer to your 
monitor’s documentation for more information about changing 
the video source).

•

Check the resolution settings on your computer. Your monitor 
may support higher resolutions than what the docking station is 
able to support. Please see the 

Display Resolution Table

 for 

more information on maximum resolution capacity.

•

If your monitor is connected to the docking station, the video 
output on your computer may be disabled. You can enable the 
video output using the Windows Control Panel or refer to the 
User Guide of your computer.

•

If only one monitor is shown, while the other is not, go to 
Windows Display Properties, and under 

Multiple Displays

, 

select the output for the second monitor.

•

Using Intel graphics and using the system LCD, only two 
additional displays can be supported.

•

For nVIDIA or AMD discrete graphics, the dock supports three 
external displays plus the system LCD.

•

Try with a different monitor and cable that is known to be 
good, if possible.

2. The video on the attached monitor is distorted or flickering.

•

Reset the monitor to Factory Defaults. Refer to the User Guide 
of your monitor for more information on how to reset the 
monitor to factory defaults.

•

Ensure that the video cable (HDMI, or DisplayPort) is 
connected securely to the monitor and the docking station.

•

Disconnect and reconnect the monitor/s from the docking 
station.

•

First power off the docking station by disconnecting the Type-
C cable and then removing the power adapter from the dock. 
Then, power on the docking station by connecting power 
adapter to the dock before connecting the Type-C cable to 
your computer.

•

Undock and reboot the system if, the above steps do not work.

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Troubleshooting the Dell Thunderbolt Docking Station WD19TB 

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