Fan and heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description Spare part number
Fan 610824-001
Heat sink 610825-001
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 battery (see
Battery on page 40).
5. Remove the following components:
a. SIM (see
SIM on page 42)
b. Switch cover (see
Switch cover on page 51)
c. Keyboard (see
Keyboard on page 53)
d. WWAN module (see
WWAN module on page 45)
e. Bluetooth module (see
Bluetooth module on page 67)
f. WLAN module (see
WLAN module on page 42)
g. Hard drive (see
Hard drive on page 48)
h. Top cover (see
Top cover on page 56)
i. System board (see
System board on page 71)
Remove the heat sink:
1. Position the system board upside down on a flat surface.
2. Disconnect the fan cable from the system board (1).
Component replacement procedures 75
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