HP Presario C700 HP G7000 Notebook PC and Compaq Presario C700 Notebook PC - M - Page 87

Heat sink

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Heat sink Description Heat sink (includes thermal material) Spare part number 454943-001 Before removing the 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 40). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Optical drive (see Optical drive on page 48) c. Keyboard (see Keyboard on page 50) d. Switch cover (see Switch cover on page 53) e. Display assembly (see Display assembly on page 55) f. Top cover (see Top cover on page 62) g. System board (see System board on page 72) Remove the heat sink: 1. Turn the system board upside down, with the audio connectors toward you. 2. Loosen the four Phillips PM2.5×6.0 captive screws (1) that secure the heat sink to the system board. NOTE: Due to the adhesive quality of the thermal material located between the heat sink and system board components, it may be necessary to move the heat sink from side to side to detach the assembly. Component replacement procedures 79

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Heat sink
Description
Spare part number
Heat sink (includes thermal material)
454943-001
Before removing the 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
40
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
41
)
b
.
Optical drive (see
Optical drive
on page
48
)
c
.
Keyboard (see
Keyboard
on page
50
)
d
.
Switch cover (see
Switch cover
on page
53
)
e
.
Display assembly (see
Display assembly
on page
55
)
f
.
Top cover (see
Top cover
on page
62
)
g
.
System board (see
System board
on page
72
)
Remove the heat sink:
1
.
Turn the system board upside down, with the audio connectors toward you.
2
.
Loosen the four Phillips PM2.5×6.0 captive screws
(1)
that secure the heat sink to the system board.
NOTE:
Due to the adhesive quality of the thermal material located between the heat sink and
system board components, it may be necessary to move the heat sink from side to side to detach the
assembly.
Component replacement procedures
79