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PowerBook G4 (12-inch) Troubleshooting
Symptom Charts
The optical drive does not eject CD or DVD disc
1. Verify disc is not in use by quitting any applications that may be using the disc.
2. Press and hold Media Eject key at top right corner of keyboard. If that does not work,
hold down Function (fn) key and Media Eject key.
3. Drag disc icon to trash or select it and press Command-E.
4. Choose Restart from Apple menu while holding down trackpad button.
5. Replace optical drive.
Ports
FireWire or USB port not recognizing devices; or device not recognized by
computer
Note:
If you are trying to use a serial device with a USB/Serial adapter, check with the
manufacturer of the adapter for compatibility.
1. Completely shut down, then press the power button to start the computer.
2. Use Software Update in Mac OS X system preferences to verify that the latest
software is installed.
3. Use Apple System Profiler to verify that the computer is recognizing the device.
4. For USB, test ports with a known-good Apple keyboard or mouse. Try different USB
device on same port.
5. For FireWire, test by connecting another computer in FireWire Target Disk Mode.
Refer to article 58583: How to Use FireWire Target Disk Mode.
6. If a camera, turn on the camera before opening the video application.
7. Verify current driver for the device is installed. Verify that drivers are installed properly
for third party, if needed.
8. Create new Mac OS X user and log in as that user. (So that the customer does not
question the new user, remove the user once disc is verified.)
9. Try other port if available.
10. Try a different cable. (Cable noise could be a problem.)
11. Eliminate chain by plugging in only one peripheral.
12. If self powered make sure that the power supply is connected and device's LED
indicates that it is getting power.
13. Reset the power manager by pressing key combination Control-Option-Shift-power.
Warning: Make sure you do not hold down the "fn" key when resetting the
power manager.
14. Replace logic board.