5.Lift the right side of the system board, and remove it from the base enclosure (3).

Reverse this procedure to install the system board.

Fan/heat sink assembly

The heat sink spare part kit includes replacement thermal material.

Description

Spare part number

 

 

Fan/heat sink assembly

649759-001

 

 

Before removing the fan/heat sink assembly, 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 following components:

a.Remove the battery (see Battery on page 43)

b.Remove the service access cover (see Service access cover on page 44)

c.Remove the SIM card (see SIM on page 47)

d.Remove the memory module (see Primary memory module on page 45)

e.Remove the hard drive (see Hard drive on page 48)

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Chapter 4 Removal and replacement procedures