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I have an Apple Laptop computer G4. It will shut off randomly without notice. I then have to take out the battery and restart it by hold the on button for 5 sec. It does this every time I get on. It's about 5 years old and in very good condition minus this problem. I dont know if its the motherboard or if I need a new battery. However, it shuts off even if its connected to the power cord. Thanks!! Emmylou

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  • eerathbun Dec 29, 2010

    I have done that and it still shuts down. I have a feeling the prognosis isn't going to be good.

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Remove the main battery, and just use your power supply, if the shutdown problem stops you know the battery needs replacement.

Posted on Dec 29, 2010

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Have an Apple Laptop computer G4. It will shut off randomly without notice. I then have to take out the battery and restart it by hold the on button for 5 sec. It does this every time I get on. It's about...


Try resetting thr PRAM:

http://support.apple.com/kb/HT1379


or Power Management:
http://support.apple.com/kb/HT1431?viewlocale=en_US

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 and give a testimonial for my response. Happy Holidays!

Thanks, Joe

Dec 29, 2010 | Apple PowerBook G4 Mac Notebook

1 Answer

How to REBOOT an Apple iBookG4?


Reboot is the term for shutting your laptop off and restarting it. as apposed to leaving your laptop running or in standby at all times.
The easiest way to restart is go to the Apple Menu in the top left corner and selecting Restart. You will be asked if you really want to restart.

The other way is to push the power button once and it will bring up the window asking if you want to shut down or restart.

Mar 16, 2010 | Apple iBook G4 1GHz 256mb 40GB Combo 14"...

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Reboot powerbook g4 17 inch without password


Use the install discs that came with the machine. Insert the disc 1, shut down the machine, turn it back on and press and hold the option key until the DVD icon shows. Then click on the icon and then click on the right arrow. When the disc boots you need to go to the top and find the disc utility folder. Then select reset password. Then choose restart.

Mar 07, 2010 | Apple PowerBook G4 Mac Notebook

1 Answer

Apple spinning, won't start


1. Let it spin for a while and see if it eventually gets to the desktop. Sometimes this will work.
2. Insert your Mac OS install disk, restart your computer (if you need to force it to quit first, push and hold the power button until it shuts off). Then when you restart, as soon as you hear the famous mac chime, press and hold the C key until the Mac OS disk starts to load the system on the disk. Once it reaches the install window, don't launch the install, but go to the top menu bar and locate the Disk Utilities App and launch it. Run a Verify, Repair and also a Repair Permissions. Once done, shut down and restart without holding the C key. You should be good to go.
These powerbook 15" models are awesome... keep it hummin!

Dec 14, 2009 | Apple Powerbook G4 15" Screen Mac...

2 Answers

Nothing appears on screen just white


Restart with Mac OS disc inserted, while holding down the C key to restart from the OS on the disc.
Then launch disc utilties program and repair the permissions on your hard drive...
Restart... did it get you up to your desktop?
K

Jun 20, 2009 | Apple iBook G4 Mac Notebook

1 Answer

Powerbook G4/17. Had been running on battery, now dead


Hello, You can test your adapter using a voltmeter and see if the power comes in Best regards. The best is actually to test with another adapter

Jun 10, 2009 | Apple PowerBook G4 Mac Notebook

1 Answer

G4 Startup problems


It could be a couple of things. First thing first, boot your computer holding Command (apple) + Option (Alt) + P + R. try again. If this is not working you could try to reset the logic board, this is done by holding the power button when you start the computer a few seconds, until you hear a loud beep. Permissions could be in problem also. To reset those you need to Hold command + S when you start up, then when the computer waits for your input: type fsck -f (enter). When it's over type restart (enter). If none of the above works for you you may have a hard drive or memory problem. Best thing would be to bring it to an apple serice store or call Apple for tech support.

Jun 08, 2009 | Apple iBook G4 (Z0AZW13397068) PC Notebook

2 Answers

How to replace clock battery of ibook G4 laptop


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.

Feb 12, 2009 | Apple iBook G4 (Z0AZW13397068) PC Notebook

2 Answers

Computer won't show start up screen, only shows different colors ie. green, then pink, blue... i took out the battery and started it without the battery and got the same results.


First you need to reset the PRAM:
  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.
Next you need to reset the PMU (power management unit). This will depend on the model of your iBook so follow the instructions on Apples page:
http://support.apple.com/kb/HT1431#faq6

Hope this gets you going again

All the best
Sean
PiDigital

Jan 17, 2009 | Apple iBook G4 Mac Notebook

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