1. On the underside of the logic board, note the position of the backup battery, attached cable, and tape.
2. Using your fingers or a black stick, carefully peel up the backup battery from the adhesive on the logic board.
Replacement Note: If you are replacing the backup battery with a new one, peel the adhesive backing off of the replacement battery, and use a black stick to remove any old adhesive from the board.
5. Install the replacement backup battery within the outline printed on the logic board, and reassemble and test the computer.
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