Procedure
1.Disconnect the backup battery cable from the backup battery.
Note: If the cable connector gets caught on the ridged area of the top case, use a black stick to raise up the backup battery and then disconnect the cable.
2.Note: The backup battery is compressed between two thin plastic sheets. The battery is held in place with adhesive on the lower plastic sheet.
Slide a black stick under and along the edge of the backup battery. Pry up the backup battery so that the entire
Warning: The ridged area of the top case is sharp.
