Sometimes when connecting a FX30 to your computer will force it to be a modem for the PC, instead of working as a transmitter to insight. 

When working correctly, the Fx30 will write Data session is connected, like this: 

Is the Fx30 writes Data session is disconnected instead, it has switched mode and it's trying to work as a modem instead. 

To fix this go to your network and internet settings on the PC, go to Change adapter options 

 

Look for this connection: 

If that is enabled, right-click it and press disable. Now power cycle the unit. When the unit turns on again, Session Status should have changed to: Data session is connected.