HP ProBook 5220m HP ProBook 5220m Notebook PC - Maintenance and Service Guide - Page 83

Fan and heat sink

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Fan and heat sink NOTE: The heat sink spare part kit includes replacement thermal material. Description Fan Heat sink Spare part number 610824-001 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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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