Apple powerbook g4 12 inch 1 5ghz User Manual

 
PowerBook G4 (12 1.5 GHz) Troubleshooting - 
 
5
 
Bluetooth Symptom Charts
 
Bluetooth
 
Bluetooth not recognized when ADC monitor connected
 
1. Disconnect all devices except the monitor.
2. Restart the computer.
3. If Bluetooth is still not recognized, refer to Bluetooth topic articles in the Knowledge Base for the latest information on optimizing Bluetooth performance. 

 
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PowerBook G4 (12 1.5 GHz) TroubleshootingError Beeps Symptom Charts
 
Error Beeps
 
The computer automatically performs a power-on self test when it is turned on after being 
fully shut down (not a restart). This section describes what to do if beeps are heard during 
the startup.
 
Note:
 
 The computer has a memory expansion slot that accepts a 1.25-inch (or shorter) 
PC-2100 compliant, SO-DIMM memory card. Refer to the Memory Replacement 
instructions for removal and installation.
 
Computer...

 
PowerBook G4 (12 1.5 GHz) Troubleshooting - 
 
7
 
Hard Drive Symptom Charts
 
Hard Drive
 
Hard drive will not initialize
 
1. Boot from Software and Restore DVD. Under the File menu, select Disk Utility, and see if the hard drive appears on the list.
2. If no hard drive is found in Disk Utility, verify the hard drive cable connections.
3. Replace hard drive cable.
4. Replace hard drive.
 
Important:
 
 If the computer is under warranty and data recovery is required, refer \
to 
Article 31077: Hard...

 
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PowerBook G4 (12 1.5 GHz) TroubleshootingKeyboard Symptom Charts
 
Keyboard
 
No response from any key on keyboard
 
1. Remove any connected peripherals.
2. Boot from Software and Restore DVD to verify that it is not a software problem.
3. Turn off the computer. Disconnect the keyboard connector and inspect connectors.
4. Replace keyboard.
5. Replace logic board.
 
Keycap pops off
 
1. If the keycap is not broken, it can probably be reinstalled. To replace the keycap, refer 
to Knowledge Base...

 
PowerBook G4 (12 1.5 GHz) Troubleshooting - 
 
9
 
Modem Symptom Charts
 
Modem
 
No modem dial tone
 
1. Check that the correct modem is selected in the Network Preferences pane. In Modem tab, check that sound is not turned off.
2. It is possible that the modem is connecting but not generating a sound. Check Internet  Connect to verify status.
3. Verify known-good analog (not digital) telephone line.
4. Verify known-good RJ11 telephone cable.
5. Verify RJ11 cable is not plugged into Ethernet port.
6....

 
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PowerBook G4 (12 1.5 GHz) TroubleshootingOptical Drive Symptom Charts
 
Optical Drive
 
The optical drive does not accept CD or DVD disc (mechanical failure)
 
1. Verify disc is not warped.
2. Verify disc is correct size. The computer will accept only 120 mm round disc. Refer to 
article 58641: Macintosh: Using Nonstandard Discs in CD-ROM or DVD-ROM Drives.
3. Replace optical drive.
 
The disc icon does not show up on the desktop, or a dialog box appears to 
initialize disc
 
1. Verify the...

 
PowerBook G4 (12 1.5 GHz) Troubleshooting - 
 
11
 
Ports Symptom Charts
 
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...

 
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PowerBook G4 (12 1.5 GHz) TroubleshootingSound Symptom Charts
 
Sound
 
Distorted sound from speakers
 
1. Verify sound is correct with external speakers/headphones. If sound is correct, replace 
top case.
2. Verify speaker cables are inserted correctly, and check cables for damage.
3. Check balance in System Preferences: Sound: Output.
4. Replace rear panel assembly with attached speakers. 
5. Replace subwoofer. 
6. Replace logic board.
 
No sound from speaker(s)
 
1. Use the Software Update...

 
PowerBook G4 (12 1.5 GHz) Troubleshooting - 
 
13
 
Startup Symptom Charts
 
Startup
 
The computer will not power on
 
1. Make sure that power adapter connector is fully inserted.
2. Remove any connected peripherals.
3. Try known-good power outlet.
4. Try known-good power adapter and power cord.
5. Remove battery.
6. Press Caps Lock key to see if light on key comes on. If it does, hold power button down for six seconds to shut down the computer and restart.
7. Reset the power manager by pressing the...

 
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PowerBook G4 (12 1.5 GHz) TroubleshootingStartup Symptom Charts
3. Reinstall the computer’s system software.
 
The computer shuts down or sleeps unexpectedly 
 
1. Calibrate the battery.
Refer to Knowledge Base article 86284: Calibrating your computers batte\
ry for best 
performance
2. Test the battery under a normal workload. If the battery lasts less than two hours, it is  considered to have severely degraded performance.
•  If the battery was purchased (either with the computer or as a...