Table 15. Symptoms and solutions (continued)
Symptoms Suggested solutions
• 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 the power
adapter to the dock before connecting the Type-C cable to
your system.
8. Cable LED is not ON after it is connected to your host. • Ensure the WD19DC is connected to AC power.
• Ensure that the system is connected with the docking station.
Try to disconnect and re-connect again with the docking
station.
9. USB port has no function in a pre-OS environment. • If your BIOS has an USB Configuration page, ensure that the
following options are checked:
• 1. Enable USB Boot Support
• 2. Enable External USB Port
10. PXE boot on dock does not function. • If your BIOS has an integrated NIC page, select Enabled w/
PXE.
• If your BIOS Setup on your system has an USB Configuration
page, ensure that the following options are checked:
• 1. Enable USB Boot Support
11. USB Boot does not function. • If your BIOS has an USB Configuration page, ensure that the
following options are checked:
• 1. Enable USB Boot Support
• 2. Enable External USB Port
12. AC Adapter is displayed as “Not Installed” in the Battery
Information page of the Dell BIOS Setup when the Type-C cable is
connected.
• 1. Ensure the Dell Performance Docking Station WD19DC is
connected properly to its own adapter (240 W).
• 2. Ensure the cable LED of your docking station is ON.
• 3. Disconnect and re-connect the (Type-C) cable to your
system.
13. Peripherals connected to the docking station do not work in a
pre-OS environment.
• If the BIOS Setup on your system has an USB Configuration
page, check the following option to enable docking station
function in a pre-OS environment:
• Enable External USB Port
14. Alert message “You have attached an undersized power
adapter to your system” is displayed when the docking station is
connected to your system.
• Ensure that the docking station is connected properly to its
own power adapter. Computer requiring more than 130 W
power input must also be connected to their own power
adapter for charging and operating at full performance.
• First power off the docking station by disconnecting the Type-
C cable and then removing power adapter from the dock.
Then, power on the docking station by connecting the power
adapter to the dock before connecting the Type-C cable to
your system.
15. Undersized power adapter warning message that is displayed
and cable LED are off.
• The docking connector has disconnected from the system's
USB ports. Reconnect the docking cable from the system, wait
for 15 seconds or more, and then dock again.
16. No external display. USB or data and cable LED is off.
• The docking connector has disconnected from the system's
USB ports. Reconnect the docking connector.
• Undock and reboot the system if the above steps do not work.
17. When system or dock is moved the cable LED turns off.
• Avoid moving the system/dock when the docking cable is
connected to the system.
34 Troubleshooting the Dell Performance Docking Station WD19DC
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