please add your name ac version and platform specs etc. to your profile.
Rather basic, but are you sure your saved view is looking at the model?
Did tech support actually open your model?
Do you have the error messages set to show? If not, try turning them on. There may be a problem with some part and the error messages would help alert you and give you the ID of the part(s).
Options>Work Environment>User Preference Schemes> Imaging and calculations> Interrupt with error messages
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
"Implementing Successful Building Information Modeling"