OK, I'm stumped,

by mrmacfixit Moderator - 8/19/12 7:00 AM

In Reply to: Boxes & Question marks by lduqueno

If this ran perfectly before and you have not made any changes to the machine and/or iWork, then it has to be something that you are doing slightly differently.
I just created a small presentation, with pictures, and moved the file to an external drive.
Played just fine when I opened it.