Heat sink and fan

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

Description

Spare part number

 

 

Heat sink for use in computers with UMA graphics subsystems

535804-001

 

 

Heat sink for use in computers with discrete graphics subsystems

535805-001

 

 

Fan

535766-001

 

 

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 60).

5.Remove the following components:

a.Switch cover and keyboard (see Switch cover and keyboard on page 61)

b.Speakers (see Speakers on page 69)

c.Optical drive (see Optical drive on page 66)

d.Palm rest (see Palm rest on page 71)

e.Top cover (see Top cover on page 84)

Remove the heat sink:

NOTE: Steps 1 through 4 apply to computers with discrete subsystem memory on the system board. Steps 5 through 8 apply to computers with UMA subsystem memory.

1.Position the computer right-side up with the front toward you.

2.Following the sequence stamped into the heat sink, loosen the seven screws (1), (2), (3), (4), (5),

(6), (7) around the processor.

3.Disconnect the fan cable from the system board (8).

100 Chapter 4 Removal and replacement procedures