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PowerBook G4 (15-inch FW 800_1.5/1.33GHz) Troubleshooting - 21
Hardware Symptom Charts
6. Turn off the computer. Perform the keyboard PMU reset procedure described in the
Hardware Troubleshooting Tools and Tips section. Wait five seconds before
continuing. Press the power button to start the computer.
Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time
(using the Date & Time system preference pane).
7. Make sure the Sound/DC-in cable is firmly connected. Look for damaged insulation or
wires.
8. Replace Sound/DC-in power cable.
9. Replace Sound/DC-in board.
10. Replace logic board.
Battery life short
Update battery software. Refer to Knowledge Base article 120281 for a battery software
update.
Bluetooth
Bluetooth system preferences does not show up under Hardware system
preferences
1. Check the wire connectors to Sound/DC-in board and the Bluetooth card. Make sure
the cable is not damaged and fully inserted.
2. Replace Bluetooth card.
3. Replace the logic board.
Bluetooth Card not recognized by other devices
1. Open Bluetooth in system preferences and make sure under the Settings tab that
Discoverable is checked.
2. Check the Bluetooth antenna is connected to Bluetooth card.
3. Replace with known-good Bluetooth card.
4. Replace the diversity board and cable assembly.
5. Replace logic board.