Make sure you have the blue jumper still on the SSC (like photo below)
then plug it into your hub.
Plug the hub into the black connector on dongle, power hub on.
plug in your etherdongle to the computer (power it on) and then start the Lynx Smart String Utility (like photo Below) on you computer.
Select all the settings you need for instance start channel, etherdongle the amount of nodes.
Press "Transmit", once you press transmit your strings should be blinking. Now press "Stop"
Now unplug SSC from hub and put jumper like 3rd photo down.
Plug SSC back into hub and you should now be able to use Xlights to have blinky.