The easiest way to see if it's the control room. Hit F4. Go to the Control room tab. Disable it blue button should go gray. Go to the output tab and set your main outs.
cpu:i7 980x - RAM:24gb - OS:Win8.1x64 - Interfaces:Lynx Aurora, Komplete Audio 6 - MIDI:Midisport 4x4, Quadra Thru
Steiny Suff: CMC:FD,CH,TP,QC,PD | Wavelab 8 |Cubase 6.5/7.5| H5, HS2, HSO, Padshop Pro