Introduction
Install an original Airport 802.11b card internally.
What you need
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            Use a coin to rotate the battery locking screw 90 degrees clockwise. 
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            Lift the battery out of the computer. 
 
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            Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free. 
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            If the keyboard does not come free, use a small flathead screwdriver to turn the keyboard locking screw 180 degrees in either direction and try again. 
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            Flip the keyboard over, away from the screen, and rest it face-down on the trackpad area. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
