b.Thoroughly clean the thermal connections (1) on the system board and the heat sink (2) before replacing a heat sink onto a system board.

3.Reverse this procedure to replace the heat sink. Replace the thermal material that ships with the replacement heat sink.

Fan

Description

Spare part number

 

 

Fan

697914-001

 

 

IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement.

Before removing the fan, 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 20).

5.Remove the keyboard (see Keyboard on page 24).

6.Remove the top cover (see Top cover on page 28).

7.Remove the hard drive (see Hard drive on page 32).

8.Remove the USB board (see USB board/Audio jack on page 34).

9.Remove the WLAN (see WLAN module on page 35).

10.Remove the system board (see System board on page 38).

To remove the fan from the base enclosure:

1.Disconnect the fan cable.

Component replacement procedures 47