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Troubleshooting the Dell Precision Dual USB
Symptoms and Solutions
Symptoms
1. No video on the monitors attached to the High Definition
Multimedia Interface (HDMI), mini-DisplayPort (mDP) port, or
DisplayPort (DP) port on the docking station.
2. The video on the attached monitor is distorted or flickering.
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Troubleshooting the Dell Precision Dual USB Type-C Thunderbolt 3 Dock-TB18DC
Type-C Thunderbolt 3 Dock-TB18DC
Suggested solutions
•
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, mDP 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
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 Intel Graphics Control Panel or refer to
the User Guide of your computer.
•
If only one monitor is shown, while the other is not, go to the
Intel Graphics Control Panel, and under Multiple Displays,
select the output for the second monitor.
•
If three monitors are connected to the docking station, then the
docking station will only support a maximum of two external
monitors. Refer to the User Guide of your docking station for
information on how to select and activate the desired monitors.
•
Try with a different monitor and cable that is known to be good,
if possible.
•
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, mDP 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.
11
Display Resolution Table
for
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