Do you notice a charging issue when connecting through either the Dell Performance WD19DC or WD19DCS docks with one of the following laptops?
This issue affects the following Dell products:
Plugging the double USB type-C cables from the docking station into your laptop while it is turned off triggers the Over Voltage Protection (OVP). Triggering OVP stops the laptop from charging while connected through the dock. Your laptop does not charge even after it is turned on and boots into the Windows operating system.

OVP is triggered under the following circumstances:
Recover your laptop by resetting the overvoltage protection to enable charging using the following instructions:
Turn your laptop off.
Unplug every USB type-C connector from your laptop.
Wait at least 10 seconds before reseating the AC Adapter to the dock.
The dual USB Type-C connector on the dock is held together by magnets. Pull the dual connector apart giving two separate USB Type-C connectors.
Plug one of the two separated connectors into your laptop.
Turn your laptop on.
Check that your laptop is charging correctly.
Use the chart in the following PDF link to confirm if your model of Dell laptop is designed to use a single or dual USB Type-C cable from the dock: