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Troubleshooting Symptom Charts/Power - 9
Battery won’t charge 1 Reset power manager (shift-Fn-Ctrl-Pwr button).
2 Try battery in opposite expansion bay.
3 Verify EMI shield has no contact with outer shield of the
power adapter (refer to Additional Procedures, “Right I/O
Wall EMI Shield”).
Caution:
When reinstalling the top case, ensure the EMI shield
will not make contact with the outer shield of the AC power
adapter. Otherwise when the power adapter is plugged in, the unit
will not charge the battery during use.
4 Try known-good battery. Repeat once.
5 Replace charge card.
6 Replace PMU board.
7 Replace power supply card.
8 Replace I/O logic board.