Originally Posted by donbrubaker
Just a note that using Calibre 9.5 on Windows 7 had the nook hd+ was recognized instantly as well as the MicroSD card. Loaded 700+ books without issue... so the issue seems to be with OS X... I'll see if the 0.9.6 may work or if the issue is with how the mac is mounting the device...
As I stated in post 3, calibre does not support MTP on OSX. However with the debug info maybe a normal USB connection can be made with a new device driver as Kovid suggested.