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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. Optical drive (see
Optical drive on page 48)
b. Hard drive (see
Hard drive on page 51)
c. Keyboard (see
Keyboard on page 54)
d. Switch cover (see
Switch cover on page 57)
e. Top cover (see
Top cover on page 58)
f. Display assembly (see
Display assembly on page 63)
g. System board (see
System board on page 70)
h. Heat sink (see
Heat sink on page 80)
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: When you install the processor, the gold triangle (3) on the processor must be aligned
with the triangle icon (4) embossed on the processor slot.
Reverse this procedure to install the processor.
Component replacement procedures 83