The new 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
Use the Mini DisplayPort to DVI Adapter to connect an advanced digital monitor, such as the 20- or 23-inch Apple Cinema Display, that includes a DVI connector. Review the documentation or check with the manufacturer of your monitor to make sure you're choosing the right adapter.
Compatible only with :