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            The inside of your Canon PowerShot A4000 camera should have a picture showing how to reinsert your memory card. 
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            Line the memory card up like it is shown in the camera and using your thumb, press down on the card until you hear a click. Your memory card is now back in place and ready for use. 
 
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            To open the battery compartment where the memory card is stored, refer to the Battery Replacement Guide. 
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            The memory card is stored behind the battery on the side opposite of the lens as outlined by the red rectangle in the picture. 
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            To remove the memory card, use your thumb to press down on the exposed part of the card. 
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            The card will dip down further into the compartment and then you will hear a click as the card is released. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
