Datasheet

Fan

Description Spare part number

Fan 686580-001

Before removing the fan:

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 base enclosure (see

Base enclosure on page 43).

5. Disconnect the battery cable (see

Battery on page 44).

Remove the fan:

1. Disconnect the fan cable (1).

2. Remove the 2 Phillips PM screws (2) securing the fan to the unit, and then lift the fan upwards (3).

Remove the piece of tape on the underside of the heat sink that secures the fan to the unit (4).

56 Chapter 4 Removal and replacement procedures