Question about Apple iBook G4 Mac Notebook

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Locked up apple G4 laptop

Stuck in hibernation. Have tried to reset per direction; unhooked battery, reboot attemp with certain function keys pressed to no avail. Sounds like it is trying to boot but then gives three audible beeps then stays black

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Hello, 3 audible beeps at startup means that you have a bad memory (RAM) install. Please try to unistall your RAMs the one after another

Posted on May 29, 2009

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1 Answer

Reset button on a powerbook g4


The Powerbook G4 power button functions like a reset button if you hold the power button in for a few seconds until the computer powers down.
  1. Hold the power button in for a few seconds (until you see the screen turn off/go black and hear the fans & hard drive stop spinning).
  2. Press the power button again to turn your computer on.
  3. If you have more trouble, you may need to boot in Safe Mode or "perform a Safe Boot":
    Press and hold down the "Shift" key immediately after you hear the start-up tone. Release the "Shift" key when the gray Apple icon appears on the screen.

May 02, 2014 | Apple 15" PowerBook G4 Aluminum 1.67 GHz...

1 Answer

My Powerbook G4 screen turned off because it was unplugged and the battery is no good. This has happened before and I remember there was a simple solution (some combination of buttons; Control + Option +...


It's called a Power Management Unit (PMU) Reset. Here are Apple's steps:
  1. If the computer is on, turn it off.
  2. Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-Power on the keyboard. Do not press the fn (Function) key while using this combination of keystrokes.
  3. Wait 5 seconds.
  4. Press the Power button to restart the computer.

Mar 24, 2011 | Apple PowerBook G4 Mac Notebook

1 Answer

When i turn on the mac it come up to the apple, then a cmd prompt is in the left side and I cannot seem to get past this, i cannot even shutdown, unless i hold the power button or remove the battery...any...


You have a firmware problem and it needs to be reset.
try this first: If the computer is on, turn it off. Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-Power on the keyboard. Do not press the fn (Function) key while using this combination of keystrokes.
Wait 5 seconds.
Press the Power button to restart the iBook computer.

If that doesn't work, try this: Turn the laptop off. Remove the battery but leave the mains power attached. Hold the start button down until you hear a loud beeeeep! then release. Wait for the system to reboot and hopefully thats you sorted.

Sep 01, 2010 | Apple PowerBook G4 Mac Notebook

1 Answer

Apple G4 15" has been charging all night - will not power on? Ideas?


If you are plugged into the AC adapter, it should power on even with the battery removed.
Turn off the computer. Remove the AC adapter plug and remove the battery.
Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-power button. Do not press the fn (Function) key while using this combination of keystrokes.

Wait 5 seconds.



Press the power button to restart the computer. If it still will not restart, you may need to contact a local serviceperson.

Jul 01, 2010 | Apple PowerBook G4 Mac Notebook

2 Answers

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

My powerbook g4 is not starting. it opens the gray screen and just says i need to restart the computer. i tried restarting it and removing the battery a bunch of time and nothing is happening. HELP!!!


I am going to have you take your Mac into Safe Mode to see if we can't remove a possible folder(s) that may be affecting your Mac's start up function.

Try these steps:


-SAFE BOOT MODE-
• Reboot your Mac
• Upon restarting your Mac, press the Shift key.
• Hold the Shift key until you see a White Screen with Gray Apple icon and eventually a spinning gear.
• When you see the Spinning gear, release the Shift key.
• Allow the Powerbook G4 to continue booting up. Also this may take a little while
(NOTE: this may take anywhere from 5 to 15 minutes to load to the Safe mode screen depending on the performance of your Mac, but if it exceeds this time, shutdown your Powerbook G4 and try just once more. It may have just frozen up the first time around for you.)

• You are going to enter the Safe Mode (which looks like your main desktop environment - the only difference is certain start up items are disabled.)

• Once within the Desktop in Safe Mode
• From the Finder Menu, click Go> Go to Folder
• Type in this line: /System/Library/StartupItems
• This path, is going to take you to the System Library folder which has all of your Mac OS X Startupitems.
• Remove all of those folders to the Trash.

*Reboot your Mac normally and see if you can access your normal User desktop environment.

At times this procedure does help for gray screen issues so give this a try and let me know if this helps.

Thanks!

-Mactechtrainer

Jan 25, 2010 | Apple PowerBook G4 Mac Notebook

1 Answer

My iBook G4 will not turn on though it has a full battery & is connected to a plug socket also..


There are several models of iBook G4. The following sequence applies to the "14-inch Early 2004."
Remove all peripheral cables. Remove the battery. Reset the power manager by pressing the key combination Control-Option-Shift-
power. Then plug the iBook into AC power and attempt to start it with the power key.
If this procedure does not being it back, invasive diagnostics are required, in which case you should being it to an Apple-Certified tech for repair.

Jan 21, 2010 | Apple iBook G4 Mac Notebook

1 Answer

Powerbook Aluminum G4 15 booting up problem


The backup battery connects directly to the logic board. From the symptoms you are describing (rather clearly, thank you), it seems apparent that your logic board may be faulty.
There are two more things you can try.
1) Reset Open Firmware: Unplug-replug your backup battery, then boot the system holding down Control-Option-O-F. Your machine will boot into Open Firmware. Type the following commands, pressing the "return" key at the end of each one:
reset-nvram
set-defaults
reset all
Your machine should restart at this point. If it starts successfully, you should be done. Otherwise,
2) Reset the Power Manager. Turn the machine all the way off (no power). Simultaneously press Shift-Control-Option-power button, then release. (Do not press the fn (Function) key during this sequence.) Wait five seconds, then press the power button. If it starts successfully, you should be done. Otherwise, you will need to see a man about a logic board, which is probably not a cost-effective repair on a 1GHz G4.

Nov 01, 2009 | Apple Powerbook G4 1.33GHz 512mb 60GB...

1 Answer

My laptop ibook G4 power button is not functioning even if press


have you got it plugged in too charger, power button wont function if no charge in battery..... easy to forget when your freaking out about your 3k lap top... goodluck Chas

Jan 31, 2009 | Apple iBook G4 (Z0AZW13397068) PC Notebook

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