Prerequisites
Follow the procedure in Before working inside your computer.
Removing the side cover:
Loosen the two captive screws that secure the side cover to the chassis.
Slide the side cover towards the back of the computer.
Lift the side cover from the chassis.
Removing the coin-cell battery:
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.
Installing the coin-cell battery:
Insert the coin-cell battery into the socket with the positive side (+) label facing up and snap the battery in the socket.
Installing the side cover:
Align the tabs on the side cover with the slots on the chassis.
Slide the side cover towards the front of the computer.
Tighten the two captive screws to secure the side cover to the chassis.
After working inside your computer:
Replace all screws and ensure that no stray screws remain inside your computer.
Connect any external devices, peripherals, or cables you removed before working on your computer.
Replace any media cards, discs, or any other parts that you removed before working on your computer.
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
