HP 14-ap000 Maintenance and Service Guide - Page 38

Heat sink and fan

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Heat sink and fan Description Fan Heat sink Spare part number 854468-001 854469-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. Before removing the heat sink and the fan, follow these steps: 1. Shut down the computer. 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 base enclosure (see Base enclosure on page 20), and then remove the following components: a. Battery (see Battery on page 22). b. Optical drive dummy (see Optical drive dummy on page 22). c. Hard drive (see Hard drive on page 23). d. Memory (see Memory on page 25). e. WLAN module (see WLAN module on page 28). Remove the heat sink and the fan: 1. Disconnect the heat sink connector from the system board (1), and then loosen the cables from the routing channels. 2. Remove 3 screws from the heat sink(2), and then loosen 3 captive screws from the fan (3). 30 Chapter 5 Removal and replacement procedures for authorized service provider parts

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Heat sink and fan
Description
Spare part number
Fan
854468-001
Heat sink
854469-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the heat sink and the fan, follow these steps:
1.
Shut down the computer.
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 base enclosure (see
Base enclosure
on page
20
), and then remove the following
components:
a.
Battery (see
Battery
on page
22
).
b.
Optical drive dummy (see
Optical drive dummy
on page
22
).
c.
Hard drive (see
Hard drive
on page
23
).
d.
Memory (see
Memory
on page
25
).
e.
WLAN module (see
WLAN module
on page
28
).
Remove the heat sink and the fan:
1.
Disconnect the heat sink connector from the system board
(1)
, and then loosen the cables from the
routing channels.
2.
Remove 3 screws from the heat sink
(2)
, and then loosen 3 captive screws from the fan
(3)
.
30
Chapter 5
Removal and replacement procedures for authorized service provider parts