HP EliteBook Folio 9480m Maintenance and Service Guide - Page 74

Heat sink, WWAN module see

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Heat sink NOTE: The heat sink spare part kit includes replacement thermal material. Description Heat sink Spare part number 769708-001 Before removing the heat sink, 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. Remove the battery (see Battery on page 29), and then remove the following components: a. Hard drive cover (see Hard drive cover on page 32) b. Hard drive (see Hard drive/SSD drive on page 33) c. Service cover (see Service cover on page 38) d. WLAN module (see WLAN module on page 43) e. WWAN module (see WWAN module on page 41) f. Fan (see Fan on page 58) g. Keyboard (see Keyboard on page 45) h. Base enclosure (see Base enclosure on page 53) i. System board (see System board on page 59) Remove the heat sink: 1. Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllips screws (1) that secure the heat sink to the system board. 62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal material.
Description
Spare part number
Heat sink
769708-001
Before removing the heat sink, 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.
Remove the battery (see
Battery
on page
29
), and then remove the following components:
a.
Hard drive cover (see
Hard drive cover
on page
32
)
b.
Hard drive (see
Hard drive/SSD drive
on page
33
)
c.
Service cover (see
Service cover
on page
38
)
d.
WLAN module (see
WLAN module
on page
43
)
e.
WWAN module (see
WWAN module
on page
41
)
f.
Fan (see
Fan
on page
58
)
g.
Keyboard (see
Keyboard
on page
45
)
h.
Base enclosure (see
Base enclosure
on page
53
)
i.
System board (see
System board
on page
59
)
Remove the heat sink:
1.
Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllips screws
(1)
that secure the heat sink to the system board.
62
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts