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Removal and replacement procedures
Maintenance and Service Guide 4–33
Remove the fan:
1. Disconnect the fan cable 1 from the system board.
2. Loosen the captive Phillips PM2.0×7.0 screw 2 that secures the fan to the base enclosure, and then remove the
fan 3 from the heat sink.
Reverse this procedure to install the fan.
✎
To properly ventilate the computer, allow at least a 7.6-cm (3-inch) 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.