Follow the procedures in Before Working Inside Your Computer:
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).
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.
Press and hold the power button while the computer is unplugged to ground the system board.
Remove the cover.
Remove the battery.
Remove the keyboard.
Remove the base cover.
Removing the Palm Rest:
Remove the screws that secure the palm rest to the computer base.
Turn the computer over.
Lift the connector latches and pull the pull-tabs to disconnect the power-button board cable, touchpad cable, and hot-key board cable from the connectors on the system board.
Remove the screws that secure the palm rest to the computer base.
Using your fingertips, pry out the palm rest from the computer base.
CAUTION: Carefully separate the palm rest from the display assembly to avoid damage to the display assembly.
Without pulling hard on the palm-rest assembly, place it away from the display as shown in the illustration below.
Lift the connector latch and pull the pull-tab to disconnect the status-lights cable from the connector on the system board.
Lift the palm-rest assembly off the computer base.
