Compaq 6735s - Notebook PC Specifications download pdf (Page 96)

Heat sink

NOTE: The heat sink spare part kit includes replacement thermal material.

Description Spare part number

For use only with HP Compaq 6735s Notebook PC models 491613-001

For use only with HP Compaq 6730s Notebook PC models 491979-001

For use only with HP Compaq 6730s Notebook PC models 496679-001

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 50).

5. Remove the following components:

a. Hard drive (see

Hard drive on page 51)

b. Optical drive (see

Optical drive on page 59)

c. Switch cover and keyboard (see

Switch cover and keyboard on page 61)

d. Speakers (see

Speakers on page 66)

e. Display assembly (see

Display assembly on page 67)

f. Top cover (see

Top cover on page 74)

g. System board (see

System board on page 83)

Remove the heat sink:

NOTE: Steps 1 through 3 apply only to HP Compaq 6730s Notebook PC models with discrete

subsystem memory on the system board. See steps 4 through 6 for removing the heat sink on HP

Compaq 6730s Notebook PC models with Intel processor and UMA subsystem memory. See steps 7

through 9 for removing the heat sink on HP Compaq 6735s Notebook PC models with AMD processor

and UMA subsystem memory.

1. Turn the system board upside down, with the audio connectors toward you.

2. Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four screws (1) around

the processor.

88 Chapter 4 Removal and replacement procedures

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Compaq 6735s - Notebook PC Specifications Page 96