![]() Then press the function key that selects internal/external/both video displays. To do this you normally press and hold the unique laptop key marked Fn. ![]() If that doesn't help, toggle the laptop to display the image on the external port only (in your case the projector). PowerPoint video clips work fine on the laptop, but when connected to any digital projector, movie clips (AVIs and MPEGS) refuse to show on the projected inage, leaving only a black box where they should be playing, all the while the movie clips are playing perfectly on the laptop screen.īefore you do anything else, try disabling video hardware acceleration. ![]() Videos play correctly on computer but not on projector (black box) Problem ![]()
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