System board

Description

Spare part number

 

 

System board (includes processor, replacement thermal material, and replacement thermal

481091-001

material cleaning kit)

 

 

 

Before removing the system 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 30).

5.Remove the following components:

a.Flash drive (see Flash drive on page 36)

b.WLAN module (see WLAN module on page 34)

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

d.Switch cover and keyboard (see Switch cover and keyboard on page 40)

e.Display assembly (see Display assembly on page 47)

f.Top cover (see Top cover on page 52)

When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

Memory module (see Memory module on page 32)

Flash drive (see Flash drive on page 36)

Heat sink (see Heat sink on page 63)

WLAN module (see WLAN module on page 34) Remove the system board:

1.Release the ZIF connector to which the front LED board cable is attached and disconnect the front LED board cable (1) from the system board.

2.Disconnect the speaker cable (2) from the system board.

Component replacement procedures 57