Prerequisites
Follow the safety guidelines listed in Safety instructions.
Turn off the system, including all attached peripherals.
Disconnect the system from the electrical outlet and disconnect the peripherals.
Remove the system cover.
If applicable, disconnect the power or data cables from expansion card(s).
Replacing the system battery:
Locate the battery socket.
CAUTION To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery.
Use a plastic scribe to pry out the system battery.
To install a new system battery, hold the battery with the positive side facing up and slide it under the securing tabs.
Press the battery into the connector until it snaps into place.
Install the system cover.
Reconnect the peripherals and connect the system to the electrical outlet.
Turn on the attached peripherals and then turn on the system.