Fan
Description Spare part number
Fan (includes cable) 672008-001
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 either of the fans, 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 31), and then remove the following components:
a. Solid-state drive connector board cable (see
Solid-state drive on page 33)
b.
Card Reader board cable (see
Card Reader board cable on page 35)
c. Top cover (see
Top cover on page 38)
Remove the fan:
NOTE: The right fan must be removed before the left fan.
1. Disconnect the fan cable (1) from the system board.
2. Lift the rear edge of the fan (2) until the tape (3) attaching the fan to the heat sink detaches.
Component replacement procedures
53
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