Please refer to our support page here:

Right now the device has 3 primary modes of operation. The modes are referred to by their priorities, which are Precision, Balanced, and High Speed.

You can run the set of diagnostic tests to help troubleshoot any problems you encounter when using your Leap Motion Controller.

Support for background applications has two main components.

If the Leap Motion software does not appear to be producing data, stop the Leap Motion service or daemon and restart it. Unplug the Leap Motion device and plug it back in.