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20 - PowerBook G4 (15-inch FW 800_1.5/1.33GHz) Troubleshooting
Hardware Symptom Charts
Battery
Battery will not eject
1. Flip over the unit and turn the battery latch clockwise.
2. If the battery does not pop up, use a small plastic flat-blade tool to pry up the battery
around the battery latch.
3. Verify proper latch operation, by exercising the latch. If it does not move smoothly or
evenly, replace the bottom case.
4. If the latch does exercise correctly, verify that the customer is not installing the battery
with excessive force or the body of the battery has not been deformed around its
perimeter.
Warning: If the battery plastic housing has been damaged, or the two halves of the
plastic housing have separated, the battery is unsafe for use.
5. Try a new battery.
6. Replace bottom case.
The battery won't charge
1. Remove any externally connected peripherals.
2. Try known-good power outlet.
3. Connect known-good 65W power adapter (661-3048) and power cord or plug; make
sure the DC plug is firmly inserted. The DC plug should light up, if not, replace Sound/
DC-in board.
If the power adapter light is green, turn over the computer and press the battery
button. The battery lights should glow green and stay on if the power adapter is
operating correctly.
Important: The Apple 65W Power Adapter is highly recommended be used with the
PowerBook G4 (15-inch FW 800) computer. The adapters can be identified by 65W
in the name and markings, and the metal securing-stud on the plug connector.
Although previous 45W power adapters (see Knowledge Base article 88231
PowerBook and iBook: Apple Power Adapter) are plug compatible with the
PowerBook G4 (15-inch FW 800), it may not provide sufficient power to operate the
system during some activities and may draw power from the battery.
4. Try known-good battery. If it charges, replace the battery. If doesn’t charge, check the
battery connector and its connection to the logic board.
5. Replace the battery connector assembly (requires removing the logic board).