NOTE: 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 41)

RTC battery (see RTC battery on page 54)

Remove the system board:

1.Turn the computer right side up, with the front toward you.

2.Open the computer.

3.Release the ZIF connector (1) to which the TouchPad cable is attached, and then disconnect the TouchPad cable (2) from the system board.

4.Disconnect the display panel cable (1) from the system board.

5.Remove the Phillips PM2.0×2.5 screw (2) that secures the system board to the top cover.

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Chapter 4 Removal and replacement procedures