Parts fully invisble
 

I am using ansys 16.0 . No no matter which files i use stp igs geometery is fully invisible

http://s16.postimg.org/4fqbabg39/Screenshot_64.png
http://s16.postimg.org/4v1l3c20l/Screenshot_65.png

When i move cursor over geometery it shows outline of parts but geometery is fully invisible tired of this .