Apple iBook (Dual USB 500 MHz) 02-06 Service Manual

Take Apart

iBook (Dual USB)- 500 MHz

AppleCare

Updated : 04-06-2002

TITLE

iBook (Dual USB): AirPort Card Not Recognized

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

The AirPort Card is not recognized.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Check to make sure using the latest version of AirPort software.1.

Boot using Mac OS All extensions setting.2.

Reseat AirPort Card.3.

Remove and reinstall the AirPort software.4.

Replace with known-good AirPort Card.5.

Replace logic board.6.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts
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TITLE

iBook (Dual USB): Battery Won't Charge

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-3
2001-8-17

TOPIC

The battery won't charge.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Note: Some batteries could be very depleated and require at least 30 minutes of connection to the
power adapter before being recognized.

Remove any connected peripherals.1.

Try known-good power outlet.2.

Try known-good power adapter and power cord.3.

Try known-good battery.4.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

5.

Replace logic board.6.

TITLE

iBook (Dual USB): Hard Drive Will Not Initialize

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

The hard drive will not initialize.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Boot from the iBook Software Install CD and see if the hard drive mounts on the desktop.1.

Launch Drive Setup and update hard drive driver.2.

If no hard drive is found in Drive Setup, 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 Drive Data Recovery & Warranty Implications, for important
information.

5.

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Sub Category: Troubleshooting
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TITLE

iBook (Dual USB): Internal Hard Drive Does Not Spin

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

The internal hard drive does not spin.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Disconnect any connected peripherals.1.

Try known-good power outlet.2.

Try known-good power adapter and power cord.3.

Boot from a Mac OS system CD.4.

Verify Drive Setup does not recognize the hard drive.5.

Verify cable connections.6.

Replace hard drive cable.7.

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 important
information.

8.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware

TITLE

iBook (Dual USB): No Response From Any Key On Keyboard

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-11
2001-8-17

TOPIC

No response from any key on keyboard.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Remove any connected peripherals.1.

Boot from a Mac OS system CD to verify that it is not a software problem.2.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

3.

Turn off the computer. Disconnect the keyboard connector and inspect connectors.4.

Replace keyboard.5.

Replace logic board.6.

Document Information

TITLE

iBook (Dual USB): Keyboard Lock Damaged Or Won't Lock

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

The keyboard lock is damaged or won't lock.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify that keyboard is installed properly so the lock lines up with the notch in the top
case.

1.

Replace keyboard.2.

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Category: iBook Hardware
Sub Category: Troubleshooting
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TITLE

iBook (Dual USB): No Modem Dial Tone

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

No modem dial tone.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify known-good analog (not digital) telephone line.1.

Verify known-good RJ11 telephone cable.2.

Verify RJ11 cable is not plugged into Ethernet port.3.

Inspect RJ11 connector and modem port for pin damage.4.

Verify RJ11 telephone cable is firmly installed in the modem port.5.

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.

6.

Verify modem 2-pin connecter is plugged into modem correctly.7.

Replace the modem 2-pin connector cable.8.

Replace modem.9.

TITLE

iBook (Dual USB): CD or DVD (optical) Disc Drive Does Not Accept
Disc (Mechanical Failure)

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

The CD or DVD (optical) disc drive does not accept disc (mechanical failure).

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify disc is properly seated in the carrier.1.

Replace optical disc drive.2.

Document Information

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Category: iBook Hardware
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TITLE

iBook (Dual USB): CD or DVD Disc Icon Does Not Show Up On
Desktop, Or A Dialog Box Appears To Initialize Disc

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

The CD or DVD (optical) disc icon does not show up on the desktop, or a dialog box appears to
initialize disc.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify the correct type of disc is being used for the type of drive (a CD-ROM or CD-RW
drive reads CD discs only; a DVD-ROM or Combo drive reads CD or DVD discs).

1.

Try cleaning the disc. If it is dirty or scratched, it may not mount.2.

Try a different disc.3.

Select "Mac OS All" in the Extensions Manager control panel and restart.4.

Replace optical drive cable.5.

Replace optical drive.6.

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Category: iBook Hardware
Sub Category: Troubleshooting
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TITLE

iBook (Dual USB): FireWire Or USB Port Not Recognizing Devices

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

The FireWire or USB port is not recognizing devices.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Completely shut down, then press the power button to start the computer.1.

Use the Software Update control panel to verify that the latest software is installed.2.

Use Apple System Profiler to verify that the computer is recognizing the bus.3.

For USB, test ports with an Apple keyboard or mouse.4.

For FireWire, test by connecting another computer in FireWire Tare Target Disk Mode.
Refer to article 58583: How to Use FireWire Target Disk Mode.

5.

Verify that drivers are installed properly for third party, if needed.6.

Boot with Mac OS All extension set.7.

Try other port if available.8.

Try a different cable.9.

If self powered make sure that the power supply is connected and device's LED indicates
that it is getting power.

10.

TITLE

iBook (Dual USB): USB Device Not Recognized By Computer

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

A USB device not recognized by computer.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Note: If you are trying to use a serial device with a USB/Serial adapter, check with the
manufacturer of the adapter for compatibility.

Try known-good Apple USB keyboard or mouse to verify the port is working properly.1.

Verify current driver for the device is installed.2.

If a camera, turn on camera after initiating download with camera application.3.

Try the other USB port.4.

Try different USB device on same port.5.

Eliminate chain by plugging in only one peripheral.6.

Select "Mac OS All" in the Extensions Manager control panel and restart.7.

Troubleshoot extensions and perform a clean installation of system software.8.

Replace logic board.9.

TITLE

iBook (Dual USB): Distorted Sound From Speakers

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-17
2001-8-17

TOPIC

Distorted sound from speakers.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify Audio Update is installed using the Software Update control panel.1.

Verify sound is correct with external speakers/headphones.2.

In Mac OS X check balance.3.

Compare same sound with two different units to make sure that sound is actually distorted.4.

Replace top case.5.

Document Information

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Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts
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TITLE

iBook (Dual USB): No Sound From Speaker(s)

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-3
2001-8-17

TOPIC

No sound from speaker(s).

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Use the Software Update control panel to verify that the latest audio update has been
installed.

1.

Press the F3 key (with the fn key pressed and not pressed) to verify that mute mode is not
enabled.

2.

Press the F4 or F5 key (with the fn key pressed and not pressed) to check the volume
setting.

3.

Verify no external speakers or headphones are plugged in.4.

Check the speakers tab on the Sound control panel to confirm that the software is correctly
seeing that there are no external speakers or headphones connected.

5.

Shutdown computer and restart.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.

Verify that the speaker cable is connected properly to logic board.8.

Replace top case.9.

Replace logic board10.

Related articles:
75146: iBook Audio Update: Document and Software

58463: iBook: Sound Capabilities

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Category: iBook Hardware
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1-800-MY-APPLE

TITLE

iBook (Dual USB): Computer Won't Power On.

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-6-29
2001-8-17

TOPIC

The computer will not power on.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Remove any connected peripherals.1.

Try known-good power outlet.2.

Try known-good power adapter and power cord.3.

Remove battery.4.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

5.

Disconnect internal keyboard completely. Inspect connectors. Restart with keyboard

disconnected.

6.

Remove any additional RAM and AirPort Card.7.

Try known-good DC board.8.

Verify power button is connected properly to logic board, if power button is not
functioning correctly or damaged, replace the top case.

9.

Replace logic board.10.

Document Information

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TITLE

iBook (Dual USB): Dialog Box "Built-in Memory Test Has Detected an
Error" Comes Up On Startup

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-2
2001-8-17

TOPIC

At startup, a dialog box comes up stating: "Built-in memory test has detected an error."

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

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 and
restart.

■

1.

If no RAM card is installed, replace logic board.2.

Related article 95136: iBook (Dual USB): Installing or Replacing Memory

Document Information

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TITLE

iBook (Dual USB): Beeps Are Heard at Startup (one to four beeps)

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-2
2001-8-17

TOPIC

The computer automatically performs a power-on self test when it is turned on after being fully
shut down (not a restart). This article explains what to do if one to four beeps are heard during
startup.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Note: The iBook (Dual USB) has one memory expansion slot and accepts a 1.25-inch (or
shorter) PC-100 compliant, SO-DIMM memory card. Refer to Customer-Installable-Parts
Memory Replacement instructions for removal and installation.

One beep: No RAM is detected.

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.

1.

If no RAM card is installed, replace logic board.2.

Two beeps: EDO memory is installed in the RAM expansion slot. The iBook does not accept
EDO memory.

Replace RAM card with known-good and compatible RAM and restart. If symptom
repeats, replace logic board.

❍

Three beeps: No RAM banks passed memory testing.

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.

1.

If no RAM card is installed, replace logic board.2.

Four beeps: Bad checksum for the remainder of the boot ROM. The ROM (which is located
on the logic board) is bad.

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.

1.

If no RAM card is installed, replace logic board.2.

Related articles:
58442: Power On Self-Test Beep Definition - Part 2

95136: iBook (Dual USB): Installing or Replacing Memory

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TITLE

iBook (Dual USB): No Video On External Device With RGB Cable
Adapter

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

No video on an external device with RGB cable adapter.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

In Resolution Control Strip, verify that monitor is being recognized. If so, select
resolution.

1.

If running Mac OS X, verify that this issue is also in mac OS 9.2.

Verify monitor that is used in testing is known-good and is supported by this computer.3.

Try known-good RGB adapter.4.

Replace logic board.5.

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Category: iBook Hardware
Sub Category: Troubleshooting
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TITLE

iBook (Dual USB): No Video On External Device With A/V Cable

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

No video on an external device with Apple A/V cable.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Make sure you are using an Apple A/V cable.1.

If viewing a DVD, make sure to connect directly to the TV and not through a VCR.2.

Verify TV is setup properly with correct source.3.

Try different TV.4.

Make sure to connect directly to the TV and not through a VCR.5.

Replace Apple A/V cable.6.

Replace logic board.7.

Document Information

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Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts
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TITLE

iBook (Dual USB): Display Is Rolling (PAL Instead Of NTSC)

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-16
2001-8-17

TOPIC

The display is rolling (PAL instead of NTSC)

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify that you are using Apple's A/V Video Cable (the pin out is different than
off-the-shelf cables that look similar). Refer to Article 88040: Composite Video Cable Not

Interchangeable With Similar Cables, for important information.

1.

Go to Monitors control panel and change the resolution from a PAL setting to an NTSC
setting.

2.

Try a different TV.3.

Try a different A/V Cable.4.

Replace the logic board.5.

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Category: iBook Hardware
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TITLE

iBook (Dual USB): No Display, Or Dim Display, But Computer
Appears To Operate Correctly

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-11
2001-8-17

TOPIC

No display, or dim display, but computer appears to operate correctly.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Remove any connected peripherals.1.

Try known-good power outlet, power adapter and power cord.2.

Press the F2 (with the fn key pressed and not pressed) to increase the screen brightness
setting.

3.

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.

4.

Verify backlight cable and LVDS cable connections are seated properly and that the cables
are not damaged (refer to display assembly replacement instructions).

5.

Replace display assembly.6.

Replace logic board.7.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware

TITLE

iBook (Dual USB): Computer Runs With Battery, But Not With the
Power Adapter Plugged Into Wall Outlet

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-5-11
2001-8-17

TOPIC

The computer runs with battery, but not with the power adapter plugged into wall outlet.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Try known-good power outlet.1.

Try known-good power adapter and power cord.2.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

3.

Replace the DC board.4.

Replace the logic board.5.

Related article 88133: iBook (Dual USB): Using PowerBook G4 Adapter

Document Information

Product Area: iBook (Dual USB)

TITLE

iBook (Dual USB): Computer Runs When Plugged Into Wall Outlet
but Not On Battery Power

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-5-14
2001-8-17

TOPIC

The computer runs when plugged into a wall outlet but not on battery power

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Reseat battery to verify battery is seated correctly with battery lock engaged.1.

Try known-good charged battery.2.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

3.

Replace logic board.4.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts
Contributor:

TITLE

iBook (Dual USB): Cursor Does Not Move When You Are Using
Trackpad

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

The cursor does not move when you are using trackpad.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Verify that no USB device is connected.1.

Boot from a Mac OS system CD to verify that it is not a software problem.2.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

3.

Check trackpad cable and connection to the logic board (see separate Top Case
replacement instructions for location under RAM shield).

4.

Replace top case.5.

Replace logic board.6.

TITLE

iBook (Dual USB): Cursor Intermittently Does Not Move Or Moves
Erratically

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-5
2001-8-17

TOPIC

The cursor intermittently does not move or moves erratically.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Note: User must touch with the surface of only one finger at a time and point directly
down on the trackpad surface.

Clean trackpad surface (with computer off, using a non-static-inducing material).1.

Turn off the computer. Reset the power manager by pressing the reset button (located
above and right of the Audio/Video port). Wait five seconds before continuing. Press the

power button to start the computer.

Note: Make sure the reset button is not caught under the button opening.

Warning: Resetting the power manager will permanently remove a RAM disk, if
present, and all of its contents. You will also need to reset the date and time (using the
Date & Time control panel).

2.

Try unit on battery power. If problem goes away, replace power adapter.3.

Place a Mac OS system CD in the optical disc drive, press the start button and hold down
the "C" key. Check the cursor movement, to see if the problem is software.

4.

Check trackpad cable and connection to the logic board (see separate Top Case
replacement instructions for location under RAM shield).

5.

Replace top case.6.

Replace logic board.7.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts
Contributor:
Process Owner:

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Copyright © 2001 Apple Computer, Inc. All rights reserved.

1-800-MY-APPLE

TITLE

iBook (Dual USB): Microphone Not Working

Article ID:
Writer:
Created:
Modified:

Huckabone, Michael
2001-7-13
2001-8-17

TOPIC

The microphone is not working.

DISCUSSION

*RESTRICTED: Apple Specialists/Apple-Authorized Self-Servicing Providers *

Internal Use Only

Troubleshooting Procedure

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.

Check the Sound control panel and verify that the selection for input is the built-in
microphone.

1.

Check the signal level and level meter and adjust the gain.2.

Remove Sound Preferences from the Preferences folder and restart.3.

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).

4.

Verify microphone cable connection to logic board.5.

Replace display assembly (which includes the microphone).6.

Replace logic board.7.

Document Information

Product Area: iBook (Dual USB)
Category: iBook Hardware
Sub Category: Troubleshooting
Keywords: kibook kssts