Some students said that sound was bad on Lecture 10. I just listened to it, but did not find any problems. You do have to TURN ON the sound from within powerpoint. Go to the SLIDE SHOW tab, and click on Set Up Slide Show. In this menu, there is a check box marked: Show Without Narration. If this is checked then there will be no sound. If you UNCHECK it, then the slide show will play with the narrations.
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