HP Pavilion 14-av000 Maintenance and Service Guide - Page 44

Heat sink, WLAN module see

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5. Remove the system board (3). Reverse this procedure to install the system board. Heat sink Description Heat sink (includes replacement thermal material) Spare part number 860260-001 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 bottom cover (see Bottom cover on page 24), and then remove the following components: a. Battery (see Battery on page 26) b. WLAN module (see WLAN module on page 29) c. Fan (see Fan on page 33) d. System board (see System board on page 34) Remove the heat sink: 1. Remove the four Phillips PM2.0×6.2 screws (1) that secure the heat sink to the system board. 36 Chapter 5 Removal and replacement procedures

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5.
Remove the system board
(3)
.
Reverse this procedure to install the system board.
Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material)
860260-001
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 bottom cover (see
Bottom cover
on page
24
), and then remove the following components:
a.
Battery (see
Battery
on page
26
)
b.
WLAN module (see
WLAN module
on page
29
)
c.
Fan (see
Fan
on page
33
)
d.
System board (see
System board
on page
34
)
Remove the heat sink:
1.
Remove the four Phillips PM2.0×6.2 screws
(1)
that secure the heat sink to the system board.
36
Chapter 5
Removal and replacement procedures