Eject button for a camera card on MacBook Pro?

If it shows up in the Finder's sidebar or Disk Utility, there will be an eject button by it; this is also available by choosing Computer from the Finder's Go menu, selecting it, and choosing Eject from the File menu.

If an item doesn't have any writable storage, it can generally just be unplugged.

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If it shows up in the Computer window, it needs to be ejected first.

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