Fan

Description

Spare part number

 

 

Fan for use in 4540s models

683484-001

 

 

Fan for use in 4440s/4441s models

683651-001

 

 

Before removing the fan, 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 42).

5.Remove the following components:

a.Bottom door (see Bottom door on page 44).

b.Keyboard (see Keyboard on page 56)

c.Heat shield (see Heat shield on page 59)

Remove the fan:

1.Position the computer upside-down.

2.Disconnect the fan cable (1) from the system board.

3.Remove the two Phillips PM2.5×5.0 screws (2) that secure the fan to the system board.

Component replacement procedures 61