
The Thunderbolt icon appears in the system tray.

After the driver update process completes, connect the AC adapter to the Dell WD22TB4 dock first.This is available in the " Docks/Stands" section. Download and install the latest Dell Dock WD19/WD22 Series Firmware Update Utility for the docking station.Download and install the latest Realtek USB GBE Ethernet Controller Driver for the docking station.Download and install the latest Realtek USB Audio Driver for the docking station.


This is available in the " Video" section. Download and install the latest Intel or Nvidia or AMD graphics driver for the computer.This is available in the " Chipset" section. Download and install the latest Intel Thunderbolt Controller Driver for the computer.NOTE: To learn more about updating the BIOS on a Dell computer, see the Dell knowledgebase article Dell BIOS Updates.
