I have a PowerPoint presentation that was created in version 2010 and plays an embedded video on most computers. However, I have one laptop (PowerPoint 2010) that plays the audio but not the video. I have narrowed down what I think the possible reason may be based on this behavior: If I select the slide with the video, click to select the video, then try the Trim Video function, the message that displays is "cannot trim media. Ensure that the codec for this media format is installed on your computer." (Other computers where the video plays this function works as expected.) I performed the Optimize Media Compatibility function in PowerPoint, and it says it is updated, but still the video will not play. The video that was inserted is in .mp4 format, and the file extension is associated with Windows Media Player. The laptop is a Samsung with Cyberlink Media Suite that was factory installed...not sure if that has anything to do with the problem but it is one of the unique things I see about this laptop (Windows 7 Professional)
Any ideas?