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Fan/heat sink assembly
NOTE: The fan/heat sink assembly spare part kit include replacement thermal material. Replacement
thermal material is also available in the Thermal Material Kit, spare part numbers 685348-001 (for use
on computer models equipped with an AMD processor) and 682100-001 (for use on computer models
equipped with an Intel processor).
Description Spare part number
For use only on computer models equipped with an AMD processor and a graphics subsystem
with discrete memory
682179-001
For use only on computer models equipped with an AMD processor and a graphics subsystem
with UMA memory
682178-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
discrete memory
682061-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
682060-001
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/heat sink assembly, 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 46), and then remove the following components:
a. Hard drive (see
Hard drive on page 47)
b. Optical drive (see
Optical drive on page 54)
c. Keyboard (see
Keyboard on page 57)
d. Top cover (see
Top cover on page 61)
e. System board (see
System board on page 72)
Component replacement procedures
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