Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 32).
5. Remove the optical drive (see Optical drive on page 33).
Remove the base enclosure:
1. Turn the computer face down, and remove the rubber feet (1), the two Phillips screws (2) and lift the
end caps (3).
Component replacement procedures 37