Determine if you are on the LSU Domain (mac OS 10.10 Yosemite): 
 1. Click the magnifying glass, which is located in the top right-hand corner of your desktop. 
 2. Type  System Preferences , then press  Enter . 
 3. Click the  Network ...
                           
                           
                               Article Id:
                                17587
                               
                           
                           
                               Category: Network & Connectivity