FYI, your problems can likely be resolved by disabling fast startup. We are still waiting on an update from MS.
A thread with all the info is here: http://answers.microsoft.com/en-us/surface/forum/surfbook-surfdrivers/surface-detach-icon-says-detached-when-its-not/ad26d787-56f1-4553-9c71-dbd3fcafb59d