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7 Dec 2009When using VoiceOver on a Mac that does not have a built-in video display (such as a Mac Mini or Mac Pro), some applications may become slow or unresponsive when no display is connected.
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VoiceOver: Using VoiceOver on a Mac without a display attached may cause applications to be slow or unresponsive
The outside of the box said "Windows base machine or better", so I bought a Mac.