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Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal materials.
Description
Heat sink for use in models with UMA graphics
Heat sink for use in models with discrete graphics
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 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 bottom cover (see
5.
Remove the battery (see
To remove the heat sink:
1.
Discrete graphics models: In the order indicated on the heat sink, remove the six screws (1) that secure
the heat sink to the system board.
2.
Remove the heat sink from the system board (2).
Bottom cover on page
Battery on page
33).
31).
Component replacement procedures
Spare part number
927919-001
927920-001
41
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