Use the Mini DisplayPort to DVI adapter to connect your MacBook, MacBook Pro, or MacBook Air to a any TV, monitor, projector, or LCD that uses a DVI connector or cable.
Review the documentation or check with the manufacturer of your monitor to make sure you're choosing the right adapter.
This Mini Displayport to DVI adapter will convert the Displayport output from your Mac to an HDMI output to go to your HD TV or monitor.
Supports up to 1920x1200 resolutions (single link).
NOTE: This adapter does NOT support analog signal. It will only output a digital signal. It can be used with DVI to DVI and DVI to HDMI cables and adapters, but NOT DVI to VGA.
This device is not Bidirectional. It can only connect a Mini-DisplayPort source to an DVI display. It will not work in reverse.
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The MacBook, MacBook Pro, and MacBook Air each have a Mini DisplayPort that allows you to connect an external display or projector using an adapter. You can use an external display as your main workspace or to extend your desktop, or you can work in mirrored mode with a projector so you can view what your audience sees.
About:
The Mini DisplayPort is a miniaturized version of the DisplayPort interface. First publicly announced by Apple on October 14, 2008, it is used in revisions of the MacBook, MacBook Air, and MacBook Pro notebooks, iMac, Mac Mini, and Mac Pro desktops and also the 24-inch Apple Cinema Display. Unlike its Mini-DVI and Micro-DVI predecessors, Mini DisplayPort is capable of driving resolutions up to 2560x1600, commonly used with 30-inch displays. With a suitable adapter, On January 13, 2009, VESA announced that Mini DisplayPort would be included in the upcoming DisplayPort 1.2 specification.