5 Install the battery.
6 Install the I/O-board interposers.
7 install the base cover.
8 Follow the procedure in After working inside your computer.
Coin-cell battery
Removing the coin cell battery
1 Follow the procedure in Before working inside your computer.
2 Remove the base cover.
3 Remove the I/O-board interposers.
4 Remove the battery.
5 To remove the coin cell battery:
a Disconnect the coin-cell battery cable from the system board and release the coin-cell battery cable from the routing guides on
the fan [1].
b Note the location of the coin-cell battery and pry it oî the system board [2].
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Removing and installing components