Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
Turn off your computer (see Turning off Your Computer).
If the computer is connected to a docking device (docked), undock it.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
Disconnect all network cables from the computer.
Disconnect your computer and all attached devices from their electrical outlets.
Close the display and turn the computer upside-down on a flat work surface.
NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer.
Remove the main battery.
Turn the computer top-side up.
Open the display.
Press the power button to ground the system board.
Remove any installed ExpressCards or Smart Cards from the appropriate slots.
Removing the Battery:
Slide the release latch outwards to unlock the battery.
Lift the battery to remove it from the computer.
Installing the Battery:
Insert the battery into the battery slot and press to lock in place.
Follow the procedures in After Working Inside Your computer:
Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.
Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
Replace the battery.
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
