It is likely that you are attaching the docking station with a laptop running Windows 7 OS. In this case you should visit the Kensington Europe website and download and install the latest software version of K33926 Kensington Universal Notebook Docking Station with VGA/DVI and Ethernet Software for Windows 7, Vista, and XP (5.2.22372.0) Note that this is a combo software that includes the drivers for both the video and ethernet.
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It is likely that you are attaching the docking station with a laptop running Windows 7 OS. In this case you should visit the Kensington Europe website and download and install the latest software version of K33926 Kensington Universal Notebook Docking Station with VGA/DVI and Ethernet Software for Windows 7, Vista, and XP (5.2.22372.0) Note that this is a combo software that includes the drivers for both the video and ethernet.
http://eu.kensington.com/