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).
Removing the Processor:
Remove the:
battery
base cover
keyboard trim
keyboard
optical drive
hard drive
palm rest
processor fan
heat sink
Rotate the processor cam lock in a counter-clockwise direction. Remove the processor from the computer.
Installing the Processor:
Align the notches on the processor and the socket, and insert the processor into the socket.
Rotate the processor cam lock in a clockwise direction.
Install the:
heat sink
processor fan
palm rest
hard drive
optical drive
keyboard
keyboard trim
base cover
battery
Follow the procedures in After Working Inside Your Computer:
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
