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Screen goes Black during Slide Show Playback
http://www.vistaarticles.com/articles/286/1/Screen-goes-Black-during-Slide-Show-Playback
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Published on 12/10/2006
 
After you change the screen orientation, the screen goes black.

Screen goes Black during Slide Show Playback

To work around this problem, exit the slide show before you change the screen orientation, and then restart the slide show.

After the screen goes black, you can press ESC to restore the screen.