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Fan and heat sink
NOTE: The fan and heat sink spare part kits include replacement thermal material. Replacement
thermal material is also available in the Thermal Material Kit, spare part number 634433-001.
Description Spare part number
Fan 639460-001
Heat sink:
AMD processor:
For use only with computer models equipped with the AMD A60M chipset and a graphics
subsystem with discrete video memory
649953-001
For use only with computer models equipped with the AMD A60M chipset and a graphics
subsystem with UMA video memory
649954-001
Intel processor:
For use only with computer models equipped with the HM65 chipset and a graphics subsystem with
discrete video memory
641141-001
For use only with computer models equipped with the HM65 chipset and a graphics subsystem with
UMA video memory
641140-001
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 and heat sink, 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 37), and then remove the following components:
●
Optical drive (see
Optical drive on page 39)
●
Hard drive (see
Hard drive or SSD on page 41)
● WLAN module (see
WLAN module on page 45)
● Keyboard (see
Keyboard on page 47)
●
Top cover (see
Top cover on page 50)
●
System board (see
System board on page 61)
Component replacement procedures 65