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Dell Docking Station WD19 Thunderbolt User Guide

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Frequently asked questions

  1. The fan is not working after connecting with the system.
    • The fan is triggered by temperature. The dock fan will not rotate until the dock is hot enough to trigger a thermal threshold.
    • Vice versa, if your dock is not cool enough, the fan will not stop even when you disconnect the dock from the system.
  2. The dock does not work after high-speed fan noise.
    • When you hear a loud fan noise, it is warning you that the dock is in some kind of a hot condition. For example, the vent in the dock may be blocked or the dock is working in a high working-temperature environment (> 35C), etc,. Please eliminate these abnormal conditions from the dock. If you do not eliminate the abnormal condition, in a worst-case situation, the dock will shut down through the over-temperature protection mechanism. Once this happens, please un-plug the Type-C cable from the system and remove the dock’s power. Then wait 15 seconds and plug in the dock power to recover the dock back online.
  3. I hear a fan noise when I plug in the dock’s AC adapter.
    • This is a normal condition. First time plugging in of the dock’s AC adapter will trigger the fan to rotate, but it will subsequently turn off very soon.
  4. I hear a loud fan noise. What’s wrong?
    • The dock fan is designed with five different rotate speeds. Normally, the dock will work on low fan speed. If you put the dock in a heavy loading, or in a high working-temperature environment, the dock fan may have a chance to work at a high speed. But, this is normal and the fan will work at a low/high speed depending on the work loading.
      Table 1. Fan statesFan states
      StateState nameFan speed (rpm)
      0Fan offOff
      1Fan minimum1900
      2Fan low2200
      3Fan medium2900
      4Fan medium-high3200
      5Fan high3600
  5. What is the charging station feature?
    • The Dell Thunderbolt Docking Station WD19TB can charge your mobile or power bank even without being connected to the system. Just make sure your dock is connected to external power. The dock fan will rotate automatically if the dock gets too warm. This is normal working condition.
  6. Why am I asked to approve Thunderbolt Devices after the Windows logon and what should I do?
    • This is for Thunderbolt security. You are asked to approve a Thunderbolt device because the Thunderbolt Security level on your unit is set to “User Authorization” or “Secure Connect” in the BIOS Setup. You will not see this page if the Thunderbolt Security level on your system is set to “No Security” or “DisplayPort Only”. Also, if you checked “Enable Thunderbolt Boot Support” in the BIOS Setup and power-on the system with the WD19TB dock attached, you will not see this page because the Security level is overridden to “No Security” in this case. When you are asked to approve a Thunderbolt device, you may select “Always Connect” if you do not have any security concerns to always allow the Thunderbolt device connection to your system. Or you may select “Connect Only Once” or “Do Not Connect” if you do have concerns.
  7. Why does it take a long time for the system to recognize all the peripheral devices which are attached to the docking station?
    • Security is always Dell’s highest priority. We ship our systems with “Security level - User Authorization” setting by default. This allows our customers to review the Thunderbolt security conditions of their systems so they can make selections accordingly. However, this also means the Thunderbolt dock and the devices attached to it will need to pass Thunderbolt driver security permission checking to get it connected and initialized. This normally means some extra time is needed before these devices can be accessed by users.
  8. Why does the hardware installation window show up when I plug in a USB device to the docking stations ports?
  9. Why do the peripheral devices, which are connected to the dock station, become unresponsive after recovering from a power loss?
    • Our Dell Thunderbolt dock is designed to operate on AC power only and it does not support system power source back (powered by system Type-C port). A power loss event will make all devices on the dock fail to work. Even when you restore the AC power, the dock may still not function properly because the dock still needs to negotiate proper power contract with the system's Type-C port and establish a system EC-to-dock-EC connection.
  10. When BIOS is set to default, it does not respond to the F2 or F12 at POST from an external keyboard attached to the dock. It boots to the operating system and the keyboard and mouse only work after the operating system boots.
    • To enable F2 and F12 options from the dock, you must enable boot support for thunderbolt devices and must set fast boot to through or auto in the BIOS (scroll down in the BIOS section to see the note about this function).

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