When an external monitor or TV is connected, you can either have the same image appear on both the built-in display and the external monitor (known as video mirroring) or use the external monitor to extend the size of the Mac OS desktop (known as dual-displayor extended desktop mode). By default, your MacBook starts up in dual-display mode. Press the F7 (i) key to switch between dual-display and video-mirroring modes.

If you want sound to come from an external display, such as a projector or TV, you need to connect an audio cable (not included) from the computer’s headphone (f ) port to that device.

Note: Because of the display limitations of most TVs, images displayed on a TV screen are of lower quality than those on the built-in display or an external monitor.

Connecting an External Display or Projector

To connect an external display or projector with a DVI or VGA connector to your computer:

1Turn on the external display or projector.

2Make sure the display cable is connected to the external display or projector.

3Connect the display cable to your MacBook using the appropriate adapter (the Apple Mini-DVI to DVI Adapter or the Apple Mini-DVI to VGA Adapter). Your MacBook automatically detects the external display.

4Adjust the resolution on an external display by using the Displays pane of System Preferences or by using the Displays icon in the menu bar.

Note: Your MacBook supports external display resolutions up to 1920 x 1200 on Apple DVI displays and up to 1600 x 1200 on VGA displays.

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Chapter 3 Using Your MacBook

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Apple APLLE MACBOOK manual Connecting an External Display or Projector