Question about Apple iBook G4 (Z0AZW13397068) PC Notebook

2 Answers

How to replace clock battery of ibook G4 laptop

My G4 ibook computer keeps shutting down and losing the clock setting

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  • Anonymous Apr 01, 2009

    computer occasionally shuts down rather than going into sleep mode when closed - and on some of these occasions loses the date/time on restart.

  • Anonymous May 06, 2009

    I have a Imac computer Ibook 12" and every time I started the date and day is gone. I believe the cmos battery is gone. I gues that Ibook does not have a Cmos battery but it has a capacitor or something like that.



    My question is where I can buy a new one capacitor and how can I replace it in the computer?



    Could you please



    let me know how to do it?



    Thanks



    Sigifredo Joya

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2 Answers

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Replace the on board capacitor with a Panasonic Capacitor 5.5V 0.22F Model number:EECS0HD224H cost about $3 . You will need to desoldier and soldier the new one on, it's easy even for a novice.

It is a kind of on board battery contrary to what most idiot mac users say as a battery IS a form of Capacitor.

Posted on Aug 09, 2010

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IBook G4 does not have a CMOS battery but a capacitor to keep the PRAN juiced during battery swaps... my guess is you need a battery replacement of the laptop... 

Posted on Feb 12, 2009

4 Suggested Answers

jgcalifornia
  • 160 Answers

SOURCE: ibook g4 freezes and airport problem

have you gone into airport utility?
are you using an airport extreme? if so, reset it.
then delete the current wireless network, and try setting up a new one in airport utility.

Posted on Feb 18, 2009

enov8
  • 53 Answers

SOURCE: ibook G 4/12.1/1.33/5aptx.....will not start

Some computer react this way when the logic board goes bad or have a defect in it.  
First, Try this:  
Remove the battery.  Plug back in the power cord, then press and hold down the power button til you hear a loud beep sound. then release it.  If the computer starts back up... Then you should be okay.
If not, it may has something to do with the logic board.
Let me know if the above works... We may can try some other things if not.
~ enov8

Posted on Mar 06, 2009

Joed911
  • 4338 Answers

SOURCE: machine shuts down, might start again in a day or so

This may solve your issue:

The PMU is a microcontroller chip that controls power functions for the computer. The PMU is a computer within a computer, as it has its own memory, software, firmware, input/output, a CPU, and more. Its function is to:

  • Tell the computer to turn on, turn off, sleep, wake, idle, etc.
  • Manage system resets from various commands.
  • Maintain parameter RAM (PRAM).
  • Manage the real-time clock.
Over time, the settings in the Power Manager may become unusable, which can result in operational anomalies with the computer. Examples include not turning on, not waking from sleep, or not seeing devices plugged into the USB and FireWire ports, among others.
Resetting the PMU is not intended for resolution of a stall or situation in which the computer is unresponsive. A PMU reset should not be necessary except as a last resort in cases where a hardware failure of the power management system is suspected. Performing a PMU reset returns the computer hardware, including NVRAM, to default settings and forces the computer to shut down.


http://support.apple.com/kb/HT1939

Click on this link or copy and paste the complete link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on May 16, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Machine shuts down, might start again in a day or so


This may solve your issue:

The PMU is a microcontroller chip that controls power functions for the computer. The PMU is a computer within a computer, as it has its own memory, software, firmware, input/output, a CPU, and more. Its function is to:
  • Tell the computer to turn on, turn off, sleep, wake, idle, etc.
  • Manage system resets from various commands.
  • Maintain parameter RAM (PRAM).
  • Manage the real-time clock.
Over time, the settings in the Power Manager may become unusable, which can result in operational anomalies with the computer. Examples include not turning on, not waking from sleep, or not seeing devices plugged into the USB and FireWire ports, among others.
Resetting the PMU is not intended for resolution of a stall or situation in which the computer is unresponsive. A PMU reset should not be necessary except as a last resort in cases where a hardware failure of the power management system is suspected. Performing a PMU reset returns the computer hardware, including NVRAM, to default settings and forces the computer to shut down.


http://support.apple.com/kb/HT1939

Click on this link or copy and paste the complete link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

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Battery for iBook 14inch not recognized by iBook


you could try resetting your pram..?

Resetting PRAM and NVRAM
  1. Shut down the computer.
  2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
  3. Turn on the computer.
  4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
  5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
  6. Release the keys.
Your computer's PRAM and the NVRAM are reset to the default values. The clock settings may be reset to a default date on some models.
Resetting PMU on PowerBook or iBook computers In some troubleshooting situations, if resetting PRAM does not resolve an issue, resetting the PMU may be the next appropriate step. For information on when this is appropriate and for instructions on how to reset the PMU in your PowerBook computer, see Resetting PowerBook and iBook Power Management Unit (PMU).

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Ibook g4 freezes and airport problem


have you gone into airport utility?
are you using an airport extreme? if so, reset it.
then delete the current wireless network, and try setting up a new one in airport utility.

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Ibook G 4/12.1/1.33/5aptx.....will not start


Some computer react this way when the logic board goes bad or have a defect in it.  
First, Try this:  
Remove the battery.  Plug back in the power cord, then press and hold down the power button til you hear a loud beep sound. then release it.  If the computer starts back up... Then you should be okay.
If not, it may has something to do with the logic board.
Let me know if the above works... We may can try some other things if not.
~ enov8

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next time you experience this, go to utilities.activity monitor..it will show you what program ir running the "hottest:, and the graph will display what is currently going on. you may have something running your not even aware of...

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