Remove the power button board:

1.Turn the top cover upside down, with the rear panel toward you.

2.Remove the Phillips PM2.0×3.0 screw (1) that secures the power button board to the top cover.

3.Release the power button board cable (2) from the opening in the top cover (3).

4.Remove the power button board and cable (4).

Reverse this procedure to install the power button board and cable.

Function board

Description

Spare part number

 

 

Function board (includes cable)

639480-001

 

 

Before removing the function board, 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), and then remove the following components:

a.Service cover (see Solid-state module on page 34)

b.Solid-state module (see Solid-state module on page 34)

c.Optical drive (see Optical drive on page 38)

68

Chapter 4 Removal and replacement procedures