Fan
Description Spare part number
Fan 732068-001
NOTE: To properly ventilate the computer, allow at least 7.6 cm (3 in) of clearance on the left side of
the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature
sensor and is designed to turn on automatically when high temperature conditions exist. These
conditions are affected by high external temperatures, system power consumption, power
management/battery conservation configurations, battery fast charging, and software requirements.
Exhaust air is displaced through the ventilation grill located on the left side of the computer.
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 49), and then remove the following components:
a. Optical drive (see
Optical drive on page 55)
b. Service door (see
Service door on page 50)
c. WLAN module (see
WLAN module on page 53)
d. Memory module (see
Memory module on page 51)
e. Keyboard (see
Keyboard on page 62)
f. Top cover (see
Top cover on page 67)
g. Hard drive (see
Hard drive on page 71)
h. System board (see
System board on page 80)
Remove the fan:
1. Turn the system board upside down, with the front toward you.
2. Disconnect the fan cable (1) from the system board.
3. Remove the 2 screws (2) that secure the fan to the system board.
Component replacement procedures
89
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