Heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description Spare part number
For use only with HP Compaq 6535s Notebook PC models 493174-001
For use only with HP Compaq 6531s Notebook PC models 491980-001
For use only with HP Compaq 6530s 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 46).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 47)
b. Optical drive (see
Optical drive on page 55)
c. Keyboard (see
Switch cover and keyboard on page 57)
d. Switch cover (see
Switch cover and keyboard on page 57)
e. Speakers (see
Speakers on page 61)
f. Display assembly (see
Display assembly on page 62)
g. Top cover (see
Top cover on page 68)
h. System board (see
System board on page 79)
Remove the heat sink:
NOTE: Steps 1 through 3 apply only to HP Compaq 6531s Notebook PC models. See steps 4 through
6 for removing the heat sink on HP Compaq 6530s Notebook PC models. See steps 7 through 9 for
removing the heat sink on HP Compaq 6535s Notebook PC models.
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.
84 Chapter 4 Removal and replacement procedures
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