Try turning off the slideware. You are probably preparing slides as a primary way to get ready for your presentation. Here’s a thought: don’t use slides as wallpaper, visible all the time. Try using them sparingly, only when you have a compelling image, only when it really helps your speech. What to do the rest of the time? Put in a black slide, so that the audience can focus on you, and not split its attention between screen and speaker.
(1) Has anyone tried this? Does it work?
(2) Cf. If you must use Powerpoint…
(3) One of the advantages of walking meetings is that neither party can use slides. See: (i) Walking meetings and (ii) Two benefits of walking meetings.