Cornycort,
Just copy the slide with the graph using Insert - duplicate slide - double
click on the copied graph - edit the way you would like it for instance by
clicking on the graph type button and choosing another layout.

Signature
Luc Sanders
(MVP - PowerPoint)
> how do i insert a second chart from a MS graph table in powerpoint?
>
> I've inserted one pie chart but would like to insert more (on various
> slides) from the same table.