Removal
Side Cover
Identify the side cover highlighted in blue.
Loosen the captive screws that secure the side cover to the chassis.
Slide and lift the side cover off the chassis.
Coin Cell Battery
Identify the coin cell battery highlighted in blue.
Push the coin cell battery release lever on the coin cell battery socket to release the coin cell battery out of the socket.
Remove the coin cell battery.
Install
Coin Cell Battery
Identify the coin cell battery location highlighted in blue
Insert the coin cell battery into the socket with the positive side (+) label facing up.
Snap the battery in the socket.
Side Cover
Identify the side cover location highlighted in blue.
Slide the side cover towards the front of the computer.
Tighten the captive screws that secure the side cover to the chassis.