Fan
Description Spare part number
Fan (includes cable) 746657-001
Before removing the fan, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the Battery (see Battery on page 29), and then remove the following components:
a. Service cover (see Service cover on page 30)
b. Hard drive (see Hard drive on page 31)
c. Optical drive (see Optical drive on page 37)
d. Keyboard (see Keyboard on page 38)
e. Top cover (see Top cover on page 41)
f. Speakers (see Speakers on page 49)
g. System board (see System board on page 52)
h. Heat sink (see Heat sink on page 57)
Remove the fan:
1. Remove the cowling material (1) that secures the fan to the heat sink.
2. Remove the fan (2).
Reverse this procedure to install the fan.
60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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