Steve that was the first thing I tried. I bought a 7 port powered USB hub and plug everything into it including the mouse so with just one physical USB from the hub and the one USB for the fiber, the fiber still did not like it when the HDMI cable was plugged in. If I just connected one USB device to the hub and the mouse USB to directly into the laptop, the HDMI would work. But plugging any second device into the hub killed the fiber connection.