I would start by making sure I had the latest version of graphics card driver
Then in Slide show > set up show try unticking"use hardware graphics
accelleration"

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John Wilson
Microsoft Certified Office Specialist
http://www.technologytrish.co.uk/ppttipshome.html
> When I insert a movie (WMV) into powerpoint it will video will not play when
> I use the secondary monitor. The audio is there, but not the video. When I
> run it in Ppt viewer it is the same thing. When I run it on the primary
> monitor it is okay. If I move my PowerPoint screen over to the secondary
> monitor and run try to run the video by clicking the "Play" in the "Custom
> Animation" frame I get the same results, audio but no video. WHY!!
TRooster - 08 Sep 2006 15:57 GMT
Hi John, This issue is on two computers. The hardware graphics
accelleration box is unticked but the problem still exists. I thought maybe
it was because I had mixed monitors, that one is DVI and the other analog,
but I put both analog and the problem is still there. So I am still stumped
> I would start by making sure I had the latest version of graphics card driver
> Then in Slide show > set up show try unticking"use hardware graphics
[quoted text clipped - 6 lines]
> > monitor and run try to run the video by clicking the "Play" in the "Custom
> > Animation" frame I get the same results, audio but no video. WHY!!