Is the viewing and rotation being done in the ActivCAD software or in a web browser (e.g. Chrome or Firefox)?
Is Windows, OS X, or some other operating system? Which version of that operating system?
Please also ensure that our latest ActivDriver is installed on the computer for use with that ActivPanel Touch. If needed, that 5.12 ActivDriver can be downloaded from our Knowledgebase, in Article 10902.