Having issue in revit file in 3d view

[yuga4300]

hello 

I am having issue in 3d view the file is not working properly .Need help to recover this issue I have tried all possible ways to fix this graphics issue.

[barthbradley]

Could be a corrupted 3D view. It happens sometimes. Delete the default {3D} View and recreate a new one by pressing the house icon on the QAT.  

[yuga4300]

Thanku