1. Check if your ViFit® Activity Tracker is plugged correctly to the contacts of the concerned USB cable.
2. Remove the ViFit® Activity Tracker and connect it again.
3. Remove the USB cable from your PC/MAC and plug it to another free USB socket.
4. Close the VitaDock® software for PC/MAC and start it again.
Additionally you can get sure if the set up of your ViFit® Activity Tracker took place correctly with the help of our video tutorial.
If all of this didn't hel in any way, please contact us through our support service. We will surely find a solution to your problem.