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Heat sink/fan assembly
NOTE:
The heat sink/fan assembly spare part kit includes replacement thermal material.
Description
Heat sink/thermal module with fans
Before removing the heat sink/fan 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.
Bottom cover (see
5.
Remove the battery (see
6.
Remove the system board (see
Remove the heat sink/fan assembly:
▲
Disconnect the fan cable (1), loosen the six captive screws on the fan and heat sink following the
sequence stamped on the heat sink (2), and then remove the heat sink/fan assembly from the system
board (3).
CAUTION:
the fans are very fragile and can be easily damaged and bent during removal.
NOTE:
system board components each time the heat sink is removed. Replacement thermal material is
included with the heat sink, processor, and system board spare part kits.
Bottom cover on page
Battery on page
System board on page
Take extreme care when removing the heat sink and fan assembly. The heatpipes between
The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the
32).
35).
49).
Component replacement procedures
Spare part number
821691-001
53
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