HP 14-y000 14 Notebook PC Maintenance and Service Guide - Page 70

Heat sink assembly

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Heat sink assembly Description Heat sink Spare part number 776776-001 Before removing the heat sink assembly, 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 25), and then remove the following components: a. Service door (see Service door on page 26) b. Memory module (see Memory module on page 28) c. WLAN module (see WLAN module on page 30) d. Optical drive (see Optical drive on page 32) e. Keyboard (see Keyboard on page 34) f. Top cover (see Top cover on page 41) g. Hard drive (see Hard drive on page 44) h. System board (see System board on page 52) i. Fan (see Fan on page 58) Remove the heat sink assembly: 1. Position the system board upside down with the front toward you. 2. Following the 1, 2, 3, 4 sequence stamped into the heat sink assembly, loosen the four Phillips PM2.0×10.0 captive screws (1) that secure the heat sink assembly to the system board. 60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Heat sink assembly
Description
Spare part number
Heat sink
776776-001
Before removing the heat sink assembly, 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
25
), and then remove the following components:
a.
Service door (see
Service door
on page
26
)
b.
Memory module (see
Memory module
on page
28
)
c.
WLAN module (see
WLAN module
on page
30
)
d.
Optical drive (see
Optical drive
on page
32
)
e.
Keyboard (see
Keyboard
on page
34
)
f.
Top cover (see
Top cover
on page
41
)
g.
Hard drive (see
Hard drive
on page
44
)
h.
System board (see
System board
on page
52
)
i.
Fan (see
Fan
on page
58
)
Remove the heat sink assembly:
1.
Position the system board upside down with the front toward you.
2.
Following the 1, 2, 3, 4 sequence stamped into the heat sink assembly, loosen the four Phillips
PM2.0×10.0 captive screws
(1)
that secure the heat sink assembly to the system board.
60
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts