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Fan/heat sink assembly
NOTE: The fan/heat sink assembly spare part kit includes replacement thermal materials.
Description Spare part number
Fan/heat sink assembly for use only with computer models equipped with an AMD processor 688281-001
Fan/heat sink assembly for use only with computer models equipped with an Intel processor and a
graphics subsystem with discrete video memory
685087-001
Fan/heat sink assembly for use only with computer models equipped with an Intel processor and a
graphics subsystem with UMA video memory
685086-001
NOTE: To properly ventilate the computer, allow at least 7.6 cm (3.0 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 (see
Battery on page 34), and then remove the following components:
●
WLAN module (see
WLAN module on page 42)
●
Hard drive (see
Hard drive on page 47)
●
Keyboard (see
Keyboard on page 53)
●
Top cover (see
Top cover on page 57)
●
Speakers (see
Speakers on page 65)
●
USB board (see
USB board on page 67)
●
Power connector cable (see
Power connector cable on page 69)
●
Display assembly (see
Display assembly on page 71)
●
System board (see
System board on page 81)
Component replacement procedures 87