Also, check that the Kinect is registered correctly in the Device Manager. There should be 3 items under the Primesense driver. If there isn't, there is a thread on this forum somewhere that explains how to resolve this. I'll find it later if this is a problem.
Okay... tried once again. I uninstalled everything (C++ x86 and x64, both PrimeSense drivers, OpenNI, and ReMe), and then I purchased RegCurePro and cleaned up several registry problems (supposedly).
I read somewhere in this forum that we need to be using USB 3.0 ports with the Xbox Kinect. I believe this laptop has 2 USB 2.0 ports, and 2 USB 3.0 ports... but I'm not sure which ones are which (there are 2 on the left, and 2 on the right). I'll try various ports and see if that helps at all.