Prerequisites
NOTE There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type that the manufacturer recommends. Discard used batteries according to the manufacturer's instructions. See the safety instructions that came with your system for more information.
Follow the safety guidelines listed in Safety instructions.
Power off the system and all attached peripherals.
Disconnect the system from the electrical outlet, and disconnect the peripherals.
Remove the system cover.
Replacing the system battery:
Locate the system battery on the system.
To remove the battery:
Push the battery toward the positive side of the battery until the battery disengages from the connector.
Lift the battery away from the system.
To install a new system battery:
Hold the battery with the + sign facing the positive side of the battery connector.
NOTE Ensure that you do not push the battery clip more than 3.2 millimeters or you might risk damaging the part.
Insert the battery down into the connector until the battery snaps into place.
Install the system cover:
Align the tabs on the system cover with the slots on the system.
Press the cover release latch, and push the cover toward the system until the latch locks into place.
Using a 1/4-inch flat head or a Phillips #2 screwdriver, rotate the cover release latch lock clockwise to the locked position.
Place the system upright on a flat, stable surface.
Reconnect the peripherals and connect the system to the electrical outlet.
Power on the attached peripherals and then power on the system.