The reason images are rotating is that the files themselves contain orientation metadata indicating this is the correct orientation. Many devices have software that intuitively adjusts the display orientation when viewing the file, and so it goes unnoticed that the orientation of the file is incorrect. There is no way to change orientation within CONTENTdm or Project Client.
You can use the following workflow to remedy this:
You can then either delete the old record and ingest the new file; or, you can replace the file on your site by importing the object back into Project Client this way:
Repeat the above process until all objects are replaced and Upload for Approval as normal. Approve and Index the collection.
If you need support please reach out to OCLC Support
Include your site ID number, include attachments of items you are having issues with. Provide steps you are taking to add to the Project Client.