Remove the base-cover assembly.
Remove the battery.
Remove the wireless card
Removing the Coin-Cell Battery:
Disconnect the coin-cell battery cable from the I/O board.
Gently peel off the coin-cell battery out of the palm-rest assembly.
Installing the Coin-Cell Battery
Adhere the coin-cell battery into its position on the palm-rest assembly.
Connect the coin-cell battery cable to the I/O board.
Install the wireless card.
Install the battery.
Install the base-cover assembly.