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Power – Apple Mac PowerBook 550c User Manual

Page 30

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Troubleshooting

Symptom Charts/Power - 3

Power

Screen is blank;

computer doesn’t

respond

1 Restart computer.

2 Connect power adapter and restart computer in 3–4 minutes.

3 Try known-good, charged main battery.

4 Check all interconnect board, daughterboard, and

motherboard connections.

5 Reset the power manager.

6 Replace keyboard.

7 Replace interconnect board.

8 Replace daughterboard.

9 Replace motherboard.