3.Remove the fan (3).

Reverse this procedure to install the fan.

Heat sink

Description

Spare part number

 

 

Heat sink (includes replacement thermal material)

639475-001

 

 

Before removing the heat sink, 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 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 33).

5.Remove the service cover (see Solid-state module on page 34).

6.Remove the fan (see Fan on page 40).

Component replacement procedures

41