There are some issues that are known to happen with the USB-C docks and some Dell machines.
Usually, a user will find that the laptop will not display video to the Monitor/Docking station. To address it, follow the procedure below.
To fix the issue
Unplug the monitor/dock from the computer
Shut the computer down completely. (Do not use restart)
Power the computer up by pressing the power button.
Immediately after pressing the power, begin pressing F2
This will load the BIOS.
You can simply Exit the BIOS menu, and the computer will restart again
After the computer has fully restarted and you have logged in, plug the dock back in.
If this does not address the issue, please contact us for further assistance, and we’ll be happy to help.