8 Replies
Phil Mayor

If it happens in preview then you likely have something on the slide that is corrupted or special characters that need removing.

The simple but tedious way to fix is to preview each slide individually until you find a slide that has the 3 dots. When you find that slide hide all the objects and preview if that works, turn objects back on one at a time until you find the object(s) that do not work, you will need to replace them, text is best being recreated in a clean textbox.

Athena Huss

Well, that was interesting. Every slide (at least the first 10) when previewed individually show the loading dots and then they player with a black screen where the slides should be. Looks fine when I hide all objects. Looks like it's the page numbering that was affecting the whole course. THANK YOU for your advice :-).