System information

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 42)

●

RTC battery (see

RTC battery on page 71)

●

Fan and heat sink (see

Fan/heat sink assembly on page 73)

●

Processor (see

Processor on page 79)

Remove the system board:

1. Disconnect the optical drive connector cable from the system board.

2. Remove the Phillips PM2.5×6.0 screw (1) that secures the system board to the base enclosure.

3. Lift the right side of the system board (2) until it rests at an angle.

Component replacement procedures

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