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OS X Lion: Use an SD card

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Use an SD card

Some Mac computers have a slot where you can insert a Secure Digital (SD) card. You can use an SD card to import images from a digital camera or to store information just as you would with a hard drive.

The SD card slot accepts SD cards and MultiMedia Cards (MMC). It also accepts MiniSD, MicroSD, MiniSDHC, and MicroSDHC cards if you have the appropriate adapter. It doesn’t accept Secure Digital Input Output (SDIO) cards.

If an SD card has been formatted by a digital camera, inserting the card in your Mac performs the same action as connecting the camera to your Mac. For example, if you set iPhoto to open when you connect a camera, iPhoto opens when you insert an SD card formatted by a camera.

Insert an SD card

With the card’s metal contacts facing down and pointing toward the computer, insert the card into the slot.

Eject an SD card

  1. In the sidebar of a Finder window, select the card and then choose File > Eject.
  2. After the card’s icon disappears from the sidebar, remove the card from the slot.

If you see a message saying the SD card cannot be modified

The slider on the side of the SD card may be in the locked position. Remove the card, move the slider to the unlocked position, and then insert the card again.

Last Modified: Oct 30, 2013
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  • Last Modified: Oct 30, 2013
  • Article: PH4460
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