Apple M8760LL Service Guide - Page 138

Battery, Battery will not eject, The battery won't charge

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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 FW800) 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 FW800), 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). 20 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts

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20 -
PowerBook G4 (15-inch FW800) 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 FW800) 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
FW800), 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).