Apple ibook g4 14 inch late 2004 User Manual

							
 

iBook G4 (14-inch Late 2004) Troubleshooting - 
 
1
 
 Symptom Charts
 
Symptom Charts
 
How to Use the Symptom Charts
 
The Symptom Charts included in this chapter will help you diagnose specific symptoms 
related to the product. 
The steps to solve a symptom are listed sequentially. You might not need to perform every 
step before the symptom is solved. Start with the  first step, and then test for the symptom. 
If the symptom persists, replace any modules you removed, go to the next step, and test 
again. Continue down the list until the symptom is solved.
 
AirPort Extreme Card
 
AirPort Extreme Card not recognized
 
1. Use Software Update in Mac OS X system preferences or see the Apple Software  Updates web page to make sure the latest version of AirPort software is installed.
2. Check Network pane in System Preferences to verify AirPort port is selected.
3. Reseat AirPort Extreme Card and make sure AirPort antenna cable is fully connected. 
4. Remove and reinstall the AirPort software.
5. Replace with known-good AirPort Extreme Card. 
6. Replace logic board.
 
AirPort Extreme Card installed and received a -3278 error
 
1. Check to make sure using the latest version of AirPort software.
2. Reseat AirPort Extreme Card.
3. Remove and reinstall the AirPort software.
4. Replace with known-good AirPort Extreme Card.
5. Replace logic board.
 
Poor AirPort  reception
 
1. Refer to Knowledge Base article 88258: PowerBook G4: How to Optimize AirPort  reception. 
						

							
 

2 - 
 
iBook G4 (14-inch Late 2004) Troubleshooting Symptom Charts
2. Reseat AirPort antenna and cable.
3. Check AirPort antenna cable for damage.
4. Replace with known-good AirPort Extreme Card.
5. Replace AirPort antenna board and cable.
 
Battery
 
The battery wont charge
 
1. Remove any connected peripherals.
2. Try known-good power outlet.
3. Try known-good power adapter and power cord.
 
Note:
 
 Verify that power adapter connector glows amber or green. If the power \
adapter light is green, turn over the computer and press the battery but\
ton. The 
battery lights should glow green and stay on if the power adapter is ope\
rating 
correctly.
4. Try known-good battery.
5. Reset the power manager by pressing the key combination Control-Option-Shift- power. 
 
Warning: Make sure you do not hold down the fn key when resetting the 
power manager.
Warning: Resetting the power manager means you will also need to reset the 
date and time (using the Date & Time control panel).
 
6. Replace battery transfer board.
7. Replace logic board.
 
Short battery life
 
Refer to Knowledge Base article 114154: SOP: Battery Screening Process--Worldwide.
 
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-100 compliant, SO-DIMM memory card. Refer to the Memory Replacement 
instructions for removal and installation. 
						

							
 

iBook G4 (14-inch Late 2004) Troubleshooting - 
 
3
 
 Symptom Charts
 
Computer beeps once at startup
 
1. One beep means that no RAM is detected.
2. If a RAM card is installed in the expansion slot, remove it and put in known-good and compatible RAM and restart. 
• If symptom does NOT repeat, replace RAM card. 
• If symptom repeats, replace logic board.
3. If no RAM card is installed, replace logic board.
 
Computer beeps twice at startup
 
1. Two beeps means that EDO memory is installed in the expansion slot. The iBook does  not accept EDO memory.
2. Replace RAM card with known-good and compatible RAM and restart.  • If symptom repeats, replace logic board.
 
Computer beeps three times at startup
 
1. Three beeps means that no RAM banks passed memory testing.
2. If a RAM card is installed in the expansion slot, remove it and put in known-good and compatible RAM and restart. 
• If symptom does NOT repeat, replace RAM card. 
• If symptom repeats, replace logic board.
3. If no RAM card is installed, replace logic board.
 
Computer beeps four times at startup
 
1. Four beeps indicates a bad checksum for the remainder of the boot ROM. The ROM  (which is located on the logic board) is bad.
2. If a RAM card is installed in the expansion slot, remove it and put in known-good and  compatible RAM and restart. 
• If symptom does NOT repeat, replace RAM card. 
• If symptom repeats, replace logic board.
3. If no RAM card is installed, replace logic board.
Related articles: 58442: Power On Self-Test Beep Definition - Part 2
111772: iBook (Dual USB): Beeps Are Heard at Startup (one to four bee\
ps) 
						

							
 

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iBook G4 (14-inch Late 2004) Troubleshooting Symptom Charts
 
Hard Drive
 
Hard drive will not initialize
 
1. Boot from iBook Software Install CD and see if the hard drive mounts on the desktop.
2. Boot from the Mac OS X software install CD. Under the File menu, select Disk Utilities 
and initialize the disk or run Disk First Aid.
3. If no hard drive is found in Drive Setup, verify the hard drive cable connections.
4. Replace hard drive cable. (This is the same cable that attaches to the optical drive.)
5. Replace hard drive.
 
Important:
 
 If the computer is under warranty and data recovery is required, refer \
to 
Article 31077: Hard Drive Data Recovery & Warranty Implications, for imp\
ortant 
information.
6. Replace logic board.
 
The internal hard drive does not spin
 
1. Disconnect any connected peripherals.
2. Try known-good power outlet.
3. Try known-good power adapter and power cord.
4. Boot from a Mac OS system CD.
5. Verify Drive Setup does not recognize the hard drive.
6. Verify cable connections and check cables for damage.
7. Replace hard drive cable.
8. Replace hard drive.
 
Noisy hard drive
 
Some sounds such as ticking or a rotational noise are normal. Refer to Knowledge Base 
article 30593: PowerBook: Hard Drives and Noise. 
						

							
 

iBook G4 (14-inch Late 2004) Troubleshooting - 
 
5
 
 Symptom Charts
 
Keyboard
 
No response from any key on keyboard
 
1. Remove any connected peripherals.
2. Boot from a Mac OS system CD 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.
 
The keyboard lock is damaged or wont lock
 
1. Verify that keyboard is installed properly so the lock lines up with the notch in the top case.
2. Replace keyboard.
 
Keycap pops off
 
1. If the keycap is not broken, it can probably be reinstalled. To replace the keycap, refer  to Knowledge Base article 88106: PowerBook G4: Keycap Replacement.
2. Replace keyboard.
 
Modem
 
No modem dial tone
 
1. Check that the correct modem is selected. In Mac OS X, check Network Setup.
2. Verify known-good analog (not digital) telephone line.
3. Verify known-good RJ11 telephone cable.
4. Verify RJ11 cable is not plugged into Ethernet port.
5. Inspect RJ11 connector and modem port for pin damage. 
6. Verify RJ11 telephone cable is  firmly installed in the modem port.
7. If using Apple Remote Access, select Ignore Dial Tone in the Modem control panel. If  the modem connects with this settings selected, try another phone line. If using a 
terminal or communications program, enter atx1 to disable tone detection. To reset the 
modem back to the factory settings, enter atz.
8. Verify modem 2-pin connector is plugged into modem correctly.
9. Replace the modem 2-pin connector cable. 
10. Replace modem. 
						

							
 

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iBook G4 (14-inch Late 2004) Troubleshooting Symptom Charts
Related article:
106592: Mac OS X: How to Use Modem AT Commands
 
Cannot send fax
 
1. Check that Network connection in System Preferences is set to Internal Modem.
2. Refer to Knowledge Base article 25746: Mac OS X 10.3: Fax doesnt send.
 
Cannot receive fax
 
Check that Receive faxes on this computer is selected in the Print & Fax area of System 
Preferences.
Related articles:25731: Mac OS X 10.3: Receiving faxes and connecting to the Internet
25596: Mac OS X 10.3: About Receiving Faxes
 
Modem drops connection
 
1. Try known-good phone line.
2. Refer to Knowledge Base article 106748: Mac OS X: Troubleshooting a dial-up/PPP Internet connection.
 
Optical Drive
 
The optical drive does not accept CD or DVD disc (mechanical failure)
 
1. Verify disc is not warped.
2. Verify disc is properly seated in the carrier.
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 correct type of disc is being used.
2. Try cleaning the disc. It may not mount if dirty or scratched.
3. Try a different disc. 
4. Reseat optical drive cable.
5. Replace optical drive cable. (This is the same cable that attaches to the hard drive.)
6. Replace optical drive. 
						

							
 

iBook G4 (14-inch Late 2004) Troubleshooting - 
 
7
 
 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. Refer to Take Apart to remove the stuck disc and replace the optical drive. Related article:
106752: Macintosh: How to Eject a Disc When Other Options Do Not Work
 
The combo drive does not write at maximum speed
 
Refer to Knowledge Base article 86186: PowerBook G4, iBook: Combo Drive Does Not 
Write CD-R Media at Maximum Speed.
 
Ports
 
The FireWire or USB port is not recognizing devices
 
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 Pro filer to verify that the computer is recognizing the bus.
4. For USB, test ports with an Apple keyboard or mouse.
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. Verify that drivers are installed properly for third party, if needed.
7. Try other port if available.
8. Try a different cable.
9. Try known-good device.
10. If self-powered make sure that the power supply is connected and devices LED  indicates that it is getting power.
11. Replace logic board. 
						

							
 

8 - 
 
iBook G4 (14-inch Late 2004) Troubleshooting Symptom Charts
 
A USB 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. Try known-good Apple USB keyboard or mouse to verify the port is working properly.
3. Verify current driver for the device is installed.
4. If a camera, turn on camera after initiating download with camera application.
5. Try the other USB port.
6. Try known-good cable.
7. Try different USB device on same port.
8. Eliminate chain by plugging in only one peripheral.
9. Replace logic board.
 
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. Compare same sound with two different units to make sure that sound is actually  distorted.
5. Replace top case.
6. Replace logic board.
 
No sound from speaker(s)
 
1. Use the Software Update control panel to verify that the latest audio update has been  installed.
2. Press the F3 key (with the fn key pressed and not pressed) to verify that mute mode is  not enabled.
3. Press the F4 or F5 key (with the fn key pressed and not pressed) to check the volume  setting.
4. Verify no external speakers or headphones are plugged in.
5. Shutdown computer and restart. 
						

							
 

iBook G4 (14-inch Late 2004) Troubleshooting - 
 
9
 
 Symptom Charts6. Reset PRAM (Press the power button, then hold down the Option-Command-P-R 
keys until you hear the startup chime at least one additional time after the initial 
startup chime).
7. Verify that the speaker cable is connected properly to logic board, and check cable for  damage.
8. Replace top case.
9. Replace logic board
Related article: 58463: iBook: Sound Capabilities
 
Startup
 
The computer will not power on
 
1. Remove any connected peripherals.
2. Try known-good power outlet.
3. Try known-good power adapter and power cord.
4. Remove battery.
5. 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.
6. Reset the power manager by pressing the key combination Control-Option-Shift- power. 
 
Warning: Make sure you do not hold down the fn key when resetting the 
power manager.
Warning: Resetting the power manager means you will also need to reset the 
date and time (using the Date & Time control panel).
 
7. Reset PRAM (Press the power button, then hold down the Option-Command-P-R keys until you hear the startup chime at least one additional time after the initial 
startup chime).
8. Disconnect keyboard completely. Inspect connectors. Restart with keyboard  disconnected.
9. Remove any additional RAM. 
10. Remove AirPort Extreme Card.
11. Try known-good DC board.
12. Verify cable connections and check cables for damage. 
						

							
 

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iBook G4 (14-inch Late 2004) Troubleshooting Symptom Charts
13. Verify power button is connected properly to logic board, if power button is not 
functioning correctly or damaged, replace the top case.
14. Replace logic board.
 
At startup, a dialog box comes up stating “kernel panic” in Mac OS X
 
1. If a RAM card is installed in the expansion slot, remove it and restart. • If symptom repeats, replace logic board.
• If symptom does not repeat, replace RAM card with known-good RAM card an\
d restart.
2. If no RAM card is installed, replace logic board.
Related article:  111772: iBook (Dual USB): Beeps Are Heard at Startup (one to four bee\
ps)
 
Display
 
No display, or dim display, but computer appears to operate correctly
 
1. Remove any connected peripherals.
2. Try known-good power outlet, power adapter and power cord.
3. Press F2 (with the fn key pressed and not pressed) to increase the screen brightness setting.
4. Reboot the computer—hold down the Control and Command keys and press the  Power button, or press and hold the Power button for 5 to 10 seconds to shut down the 
computer, then press the Power button to restart.
5. Reset the power manager by pressing the key combination Control-Option-Shift- power. 
 
Warning: Make sure you do not hold down the fn key when resetting the 
power manager.
Warning: Resetting the power manager means you will also need to reset the 
date and time (using the Date & Time control panel).
 
6. Reset PRAM (Press the power button, then hold down the Option-Command-P-R keys until you hear the startup chime at least one additional time after the initial 
startup chime).
7. Connect an external display, and check for video on external display. • If video is fine on external display, replace LCD panel.
• If video symptom is same on external display, replace logic board.
8. Verify backlight cable and LVDS cable connections are seated properly and that the  cables are not damaged (refer to display assembly replacement instructions).