HP Pavilion HDX9575LA HP Pavilion HDX Entertainment Notebook PC - Maintenance - Page 91

Processor heat sink

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Processor heat sink Description Processor heat sink (includes replacement thermal material) Spare part number 448175-001 Before removing the processor 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 38). 5. Remove the following components: a. Hard drive (see Hard drive on page 45) b. Optical drive (see Optical drive on page 52) c. Keyboard (see Keyboard on page 54) d. Hinge cover (see Hinge cover on page 56) e. Rear cover (see Rear cover on page 57) f. Top cover (see Top cover on page 59) g. Subwoofer (see Subwoofer on page 72) h. System board (see System board on page 76) Remove the processor heat sink: 1. Turn the system board upside down, with the front toward you. 2. Loosen the three silver Phillips PM2.0×5.0 captive screws (1) that secure the processor heat sink to the system board. 3. Remove the processor heat sink clip (2) by sliding it to the right. Component replacement procedures 83

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Processor heat sink
Description
Spare part number
Processor heat sink (includes replacement thermal material)
448175-001
Before removing the processor 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
38
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
45
)
b
.
Optical drive (see
Optical drive
on page
52
)
c
.
Keyboard (see
Keyboard
on page
54
)
d
.
Hinge cover (see
Hinge cover
on page
56
)
e
.
Rear cover (see
Rear cover
on page
57
)
f
.
Top cover (see
Top cover
on page
59
)
g
.
Subwoofer (see
Subwoofer
on page
72
)
h
.
System board (see
System board
on page
76
)
Remove the processor heat sink:
1
.
Turn the system board upside down, with the front toward you.
2
.
Loosen the three silver Phillips PM2.0×5.0 captive screws
(1)
that secure the processor heat sink to
the system board.
3
.
Remove the processor heat sink clip
(2)
by sliding it to the right.
Component replacement procedures
83