Dell Precision Dual USB Type-C Thunderbolt 3 Dock User Manual

Troubleshooting the Dell Precision Dual USBType-C Thunderbolt 3 Dock-TB18DCSymptoms and SolutionsSymptoms Suggested solutions1. No video on the monitors attached to the High DefinitionMultimedia Interface (HDMI), mini-DisplayPort (mDP) port, orDisplayPort (DP) port on the docking station.• Ensure that the latest BIOS and drivers for your computer andthe docking station are installed on your computer.• Make sure your computer is connected to the docking stationsecurely. Try to disconnect and reconnect the docking stationto the notebook computer.• Disconnect both ends of the video cable and check fordamaged/bent pins. Securely re-connect the cable to themonitor and docking station.• Make sure the video cable (HDMI, mDP or DisplayPort) isconnected properly to the monitor and the docking station.Ensure to select the correct video source on your monitor (referto your monitor’s documentation for more information aboutchanging the video source).• Check the resolution settings on your computer. Your monitormay support higher resolutions than what the docking station isable to support. Please see the Display Resolution Table formore information on maximum resolution capacity.• If your monitor is connected to the docking station, the videooutput on your computer may be disabled. You can enable thevideo output using the Intel Graphics Control Panel or refer tothe User Guide of your computer.• If only one monitor is shown, while the other is not, go to theIntel Graphics Control Panel, and under Multiple Displays,select the output for the second monitor.• If three monitors are connected to the docking station, then thedocking station will only support a maximum of two externalmonitors. Refer to the User Guide of your docking station forinformation on how to select and activate the desired monitors.• 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 Guideof your monitor for more information on how to reset themonitor to factory defaults.• Ensure that the video cable (HDMI, mDP or DisplayPort) isconnected securely to the monitor and the docking station.• Disconnect and reconnect the monitor/s from the dockingstation.• First power off the docking station by disconnecting the Type-Ccable and then removing the power adapter from the dock.Then, power on the docking station by connecting poweradapter to the dock before connecting the Type-C cable to yourcomputer.1130 Troubleshooting the Dell Precision Dual USB Type-C Thunderbolt 3 Dock-TB18DC