Question about Apple iMac G4 Desktop

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Manual for g4

I recently bought a second hand g4 without instruction book could anyone tell me  where to put the battery,and what the leaver is on the right hand side My email address is many thanks in advance.

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There is no battery for the model you are portraying as your picture. Is this a desktop or laptop? I need a picture of the lever also to see what you are talking about.

Posted on Oct 13, 2008

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How can I find out what G4 I have without taking it to a shop?

Go to the apple menu then down to about this mac from here it will tell you the basic information for your G4 and if you need further information click on more information and it will open system profiler and give you the full information for your G4. Hope this helps.

Dec 26, 2010 | Apple iMac G4 Desktop

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I want to reboot my powermac g4. i have the startup disk i dont kno wat to type at the black screen

All you should have to do is put in disk and powermac should start from it, if not then replace the pram battery and try again. The battery is on the motherboard and can be bought at any radioshack.

May 01, 2010 | Apple Power Mac G4 Desktop

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Reastart the iMac and at the same time hold down the mouse left click button. If that does not work.
  1. Restart the computer.
  2. Immediately after the startup sound, press and hold the key combination Command-Option-O-F.
    Note: The Command key has the Apple and (commandkeysymbol.gif) icons on it.
  3. Release the keys when you see a white screen that says "Welcome to Open Firmware."
  4. At the prompt, type: eject cd
  5. Press Return, then wait a few seconds. The disc drive should eject any disc that is present, and "ok" appears behind your command when the action is complete.
  6. Type: mac-boot
  7. Press Return.

Dec 11, 2009 | Apple iMac G4 Desktop

1 Answer

Hello, i recently bought an airport card off of ebay and installed it in my G4 tower (mirrored drive doors). the OS has been upgraded to Leopard. I cannot get it to turn on. When I try to configure...

Hi Kathy
What message do you get? does it say anything like "Not airport card found" or something similar.
A couple of things to check. First make sue that the card itself is fully home in the socket. Second, make sure that the arial lead is properly connected. It is really easy to think that the arial is connected when it isn't. The plug is a very close fit. it should click into place and you should not be able to get a finger-nail between the plug body and the card - if you can it's not connected.
Failing that, the card may well be faulty - sometimes happens with eBay.

Oct 28, 2009 | Apple iMac G4 Desktop

1 Answer

Ive got a g4 tower plus installation discs but do not know the local admin pass word as i bought it second hand is there any way for me to reset the computer and passwords ? pls help!

You don't need the admin password to restore a Mac from its installation discs. Insert the disc, then hold down the C key as you are starting up, to boot from the disc instead of the hard drive. Continue with complete restoration of the original machine contents.

Oct 17, 2009 | Apple Mac Desktops

1 Answer

Emac G4 (1Ghz OSX 10.4) won't turn on - black screen - no sound

That means you have to reset the prm.Since you know the inside of the computer a little bit,remove the power open it again and carefully remove the battery.Press and hold that button(PRM) down for about ten seconds you know what this will do,yes it will reset the logicboard.Reinsert the battery put the computer back together and try again.

Sep 15, 2009 | Apple iMac G4 Desktop

1 Answer

Blank screen on imac g4 monitor

Well it is time consuming as you will have to start from the botom of the computer and work your way up.First put the lcd and neck between your legs the base on your knees.On the base i believe there are about six torq or phillips screws turn to disengage the base,there are a few cables attached to the base which you will have to remove,one ground screw as well.Once these are disengaged you can put the base aside.LOOKING in the base everything is layered you must remember how they are oriented remove them one by one.Eventually you will see the cables for the lcd and screws which secures the base of the lcd shaft to the base of the computer.Remember how they are oriented as this is crutial when replacing the base as it should fit without pinching any wires.
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Sep 09, 2009 | Apple iMac G4 Desktop

1 Answer

Backlight inverter installation instructions

Hi, Sorry to hear you are having problems,

Here is the link:
Good luck, keep a steady hand.

Mar 20, 2009 | Apple iMac G4 Desktop

2 Answers

I need a manual for my imac.

Mar 20, 2009 | Mac Desktops

2 Answers

PowerPC G4 switch-on problem

Hi Branko
Rather than forking money out for a battery. There are a couple of things I really need to know first. Have you changed anything on the machine recently? What OS are you running. How much memory (ram) Size of hard drive.

As you are running quite an old mac these details are important to identify the problem.


Nov 18, 2008 | Apple Power Mac G5 Desktop

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