Important Information
Dell Docking Station drivers (Realtek USB GBE Ethernet Controller Driver and Realtek USB Audio Driver) are required to be installed
before using the docking station for full functionality. Dell recommends updating the computer BIOS, graphics driver, Thunderbolt driver,
and Thunderbolt firmware to the latest version before using the docking station. Older BIOS versions and drivers could result in the
docking station not being recognized by your computer or not functioning optimally.
Dell highly recommends the following applications to automate the installation of BIOS, firmware, driver, and critical updates specific to
your system and docking station:
• Dell | Update - for Dell XPS, Inspiron or Vostro systems only.
• Dell Command | Update - for Dell Latitude, Dell Precision, or XPS systems.
These applications are available for download on the Drivers & Downloads page for your product at www.dell.com/support
Pick your system type from the list or enter the service tag of your system to get the right version for your computer.
NOTE: Dell WD19TB dock connection to your computer is required in order for Dell Update to start software updates on
the host system.
Dell Command I Update application is supported on Dell Precision, XPS, and Latitude notebooks. Alternatively, Dell recommends installing
the following BIOS, firmware, and drivers step by step in the prescribed order to ensure optimal performance:
Search for your system model name under Select a Product selection, or enter the service tag of your system to locate the Drivers &
Downloads page on the Dell support website (www.dell.com/support). Change the Operating System to view all available updates for
your system.
• Flash the latest Basic Input/Output System (BIOS) for the system. This is available in the "BIOS" section.
• Install the latest Intel Thunderbolt Controller Driver for the system. This is available in the "Chipset" section.
• Install the latest Intel Thunderbolt 3 Firmware Update for the system. This is available in the "Chipset" section.
• Install the latest Intel HD/nVIDIA/AMD Graphics Driver for the system. This is available in the "Video" section.
• Install the latest Realtek USB GBE Ethernet Controller Driver for Dell Thunderbolt Dock. This is available in the "Docks &
Stands" section.
• Install the latest Realtek USB Audio Driver for Dell Thunderbolt Dock. This is available in the "Docks & Stands" section.
• Restart the system.
• After the software update process completes, connect the AC adapter to the Dell WD19TB dock first and then attach the Thunderbolt
3 (Type-C) cable to the computer before using the docking station.
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12 Important Information
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