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Thread: Help w G4

  1. #1


    Member Since
    Apr 16, 2011
    Posts
    2
    Help w G4
    Hi all, I'm having a problem. I have a Mirrored Drive G4 Dual 1 Ghz. It seems to start up fine, I get the Mac chime but then nothing. I thought it might be my drive so I tried a start up disk and a repair disk, holding down the "C" key while starting up , get my start up chime but nothing else. I just replaced the Motherboard thinking it might be that but that didn't work either. Any suggestions.

  2. #2

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Location
    London
    Posts
    8,968
    Specs:
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    Do ou get the chime and the power button on the front lights up, pulses and then goes out
    Member of the Month September 2008 & August 2012 | Found advice useful? use the rep system

  3. #3


    Member Since
    Apr 16, 2011
    Posts
    2
    Yes, I get chime, fans work and front light stays on, continues like that but nothing comes up and dont hear any disk booting taking place.

  4. #4

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Location
    London
    Posts
    8,968
    Specs:
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    Might not be the same problem, but I replaced the motherboard battery on my G4 with those symtoms and the G4 lives on
    Member of the Month September 2008 & August 2012 | Found advice useful? use the rep system

  5. #5

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,098
    Specs:
    Imac 27" Retina 5K, 512GB flash memory, 3.3GHz, 16GB memory, macOS Sierra beta.
    Do as louishen suggests and change the PRAM battery. MDD models are extremely suspectible to this behaviour with a dead PRAM battery.


    http://eshop.macsales.com/item/NewerTech/BAA36VPRAM/
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  6. #6


    Member Since
    Jul 16, 2007
    Posts
    23
    Also make sure the graphics card is working - if you're not getting anything on the monitor...

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