Power
PowerBook (FireWire)
10
Troubleshooting
Battery won’t charge
1. Verify the battery is charged by pressing the level
indicator button on the battery. If the battery is charged,
one or more status lights on the battery will glow.
2. Turn off the computer. Press the reset button on the back
of the unit, wait five seconds, and press the power on
key.
3. Try battery in opposite expansion bay.
4. Try known-good, firmly seated, charged battery. Try the
same battery in opposite expansion bay.
5. Replace power supply card.
6. Replace I/O logic board.
Battery will not charge unless unit is in sleep mode
or shut down
Verify that the appropriate power adapter is being used.
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