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9.
Remove the system board (2) by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
Fan/heat sink assembly
Description
Fan/heat sink assembly (includes replacement thermal material)
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/heat sink assembly, 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 cover and battery (see
5.
Remove the hard drive (see
6.
Remove the memory module/wireless module compartment cover (see
on page
7.
Disconnect the battery charger board ribbon cable from the system board (see
board on page
8.
Remove the top cover (see
Mass storage device on page
41).
48).
Top cover on page
Battery on page
34).
36).
50).
Component replacement procedures
Spare part number
608378-001
WLAN module
Battery connector
65
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