Fan/heat sink assembly
NOTE: The fan/heat sink assembly spare part kit includes thermal material.
Description Spare part number
For use only on computer models equipped with an Intel CoreT or Intel Core processor 855966-001
For use only on computer models equipped with an Intel Pentium processor 903298-001
Before removing the fan/heat sink assembly, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 34), and then remove
the following components:
a. Battery (see Battery on page 42).
b. USB port shield (see USB port shield on page 50).
c. System board (see System board on page 51).
Remove the fan/heat sink assembly:
1. Turn the system board upside down with the front toward you.
2. Disconnect the fan cable (1) from the system board.
3. Loosen the four captive screws (2) that secure the fan/heat sink assembly to the system board.
4. Remove the fan/heat sink assembly (3).
56 Chapter 5 Removal and replacement procedures for authorized service provider parts
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