6.Remove the system board (2) by sliding it up and to the left at an angle.

Reverse this procedure to install the system board.

Power button board

Description

Spare part number

 

 

Power button board (includes cable)

639481-001

 

 

Before removing the power button 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)

d.Keyboard (see Keyboard on page 47)

e.Base enclosure (see Base enclosure on page 52)

f.System board (see System board on page 65)

Component replacement procedures

67