15. Carefully ease the connectors on the system board out of the slots in the computer, and lift the system board out of the computer base.Replacing the System Board1. Follow the instructions in Before You Begin.2. Align the connectors on the system board with the slots on the computer base and place it in position.3. Replace the six screws that secure the system board to the computer base.4. Connect the speaker cable to the connector on the system board.5. Connect the AC-adapter connector cable to the connector on the system board.6. Replace the display assembly (see Replacing the Display Assembly).7. Replace the processor fan and heat-sink assembly (see Replacing the Processor Fan and Heat-Sink Assembly).8. Replace the coin-cell battery (see Replacing the Coin-Cell Battery).9. Replace the hard-drive assembly (see Replacing the Hard-Drive Assembly).10. Replace the Mini-Card(s) (see Replacing the Mini-Card(s)).11. Replace the memory module (see Replacing the Memory Module).12. Replace the battery (see Replacing the Battery).13. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).14. Replace the keyboard (see Replacing the Keyboard).1 AC-adapter connector cable 2 system board3 speaker cable