PowerPoint 2013 uses Presenter View by default when you project slides onto the projector or dual monitors. Follow below steps to turn off the Presenter View mode:

To stop PowerPoint from automatically starting a slide show in Presenter View:

  1. On top menu bar, click on the [Slide Show] ribbon.
  2. In the Monitors group, uncheck [Use Presenter View].

To stop Presenter View once the slide show has started:

  1. On the top left corner of the Presenter View screen, click [Display Settings].
  2. Click [Duplicate Slide Show].