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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 Test fuse on motherboard to make sure it is not open.
7 Replace keyboard.
8 Replace interconnect board.
9 Replace daughterboard.
10 Replace motherboard.