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Acer laptop dual display not working

kgingeri asked
Last Modified: 2012-05-05
I am trying to trouble shoot a problem for a friend who has a Acer Travelmate 4200-BL50, Inel display (either900 or 950 not sure) and he is having problems get it to use both displays at once - especially with PowerPoint.  Is there know issues with this laptop or the display type?  In the display properties, the second display shows up but you cannot select it in PowerPoint and there is no output to an external device (projector or monitor).  Could it be a hardware issue?
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