1. First you need to put the nanoKONTROL 2 in Mackie/SONAR mode by holding the set marker and rec buttons while connecting the USB cable from your computer. 2. Within Cakewalk, go to Preferences->MIDI->Devices and ensure the nanoKONTROL 2 's MIDI input/output are checked:   3.  Go to Control Surfaces within preferences and add the nanoKONTROL as a Mackie Control surface:  Note: Make sure it's "Mackie Control"  - NOT Mackie Control XT or Mackie Control C4   4. Click O