What are you hyperlinking to? An external file? A URL? Another
presentation?
What Mark said. Also please let us know what version of PowerPoint you
are using. When you go to a program external to PowerPoint, PowerPoint
has little control how you return. Sometimes you'll get a Back button
when you link to another Office document; sometimes you'll just close
the program that was opened; and sometimes, you might Alt-TAB to get
back. If you are within PowerPoint, it really depends what you linked
to. If you go to another show, you might want to create a button with an
Action Setting of End Show. If you just went to one other slide, you
might want to create a button with an Action Setting of Last Slide
Viewed. If you went to a bunch of slides, you might either create a
custom show with those slides (so the link is to the custom show and you
can use End Show to get back) or you can just create a new hyperlink
from the last slide to go directly to the slide you want to go to.
--David
--
David M. Marcovitz
Author of _Powerful PowerPoint for Educators_
http://www.PowerfulPowerPoint.com/
Microsoft PowerPoint MVP
Associate Professor, Loyola University Maryland