Before removing the processor, 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 43).
5. Remove the following components:
a. Hard drive (see Hard drive on page 46)
b. Optical drive (see Optical drive on page 44)
c. Keyboard (see Keyboard on page 56)
d. Switch cover (see Switch cover on page 58)
e. Speaker assembly (see Speaker assembly on page 60)
f. Display assembly (see Display assembly on page 62)
g. Top cover (see Top cover on page 69)
h. System board (see System board on page 82)
i. Fan/heat sink assembly (see Fan/heat sink assembly on page 85)
Remove the processor:
1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click.
2. Lift the processor (2) straight up and remove it.
NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed
on the processor socket when you install the processor.
Reverse this procedure to install the processor.
Component replacement procedures 89