2nd Plugable USB 3.0 dock won't detect monitors

I’m running a Dell Latitude 3340 with Win 8.1. I successfully set up my dual monitors (DVI / HDMI) on one dock. When I plug into the second dock my monitors are not detected. Yes, the are plugged in and on! I also have my wireless keyboard / mouse and Ethernet working with the second dock.

When I go to Screen Resolution - Detect displays nothing is detected. I have hard booted and upgraded to the latest DisplayLink drivers.

Any help is appreciated.

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