This procedure requires the following tools:
• Black stick (or other nonconductive nylon or plastic flat-blade tool)
1. Use a black stick to release the adhesive holding the backup battery to the optical drive then disconnect the backup battery cable.
Note: The backup battery is held down by double-backed tape adhesive on its cover.
Important: If the backup battery is not positioned correctly, sharp edges on the top case over the backup battery may cause damage.
4. Press where shown to secure the backup battery to the optical drive.
Also, insert an optical disc to verify that the optical drive functions properly.
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