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  1. #1


    Member Since
    Jan 16, 2011
    Posts
    8
    Mac not booting after new graphics card instal (Powermac G4)
    Hey Guys,

    Just installed a new graphics card into my powermac G4 agp slot (Nvidia GF 6200 256MB DDR2 AGP Graphics Card came from another working powermac)

    When i then turned the mac on it made the bong noise and started booting into osx and then went to a page saying please restart mac. Everytime it boots it brings up this messsage.


    So i took the card out and tried putting in the old card to try that. same thing happened.

    So i reverted back to the new card and now the mac makes the bong noise and the screen does not come on and my monitor just said no input....

    any clues??

  2. #2

    Lifeisabeach's Avatar
    Member Since
    Sep 30, 2007
    Location
    The Republic of Neptune
    Posts
    7,740
    Quote Originally Posted by BenMacUK View Post
    Hey Guys,

    Just installed a new graphics card into my powermac G4 agp slot (Nvidia GF 6200 256MB DDR2 AGP Graphics Card came from another working powermac)

    When i then turned the mac on it made the bong noise and started booting into osx and then went to a page saying please restart mac. Everytime it boots it brings up this messsage.


    So i took the card out and tried putting in the old card to try that. same thing happened.

    So i reverted back to the new card and now the mac makes the bong noise and the screen does not come on and my monitor just said no input....

    any clues??
    It could be any number of things. Perhaps you accidentally dislodged a ram chip or hard drive cable on the motherboard. Worst case scenario... you shorted something out. I would recheck everything in there to be sure everything is seated in properly. If that fails, try running the Apple Hardware Test off your original install discs. If you can't even boot off of that, then it looks grim.

    Please verify and include the exact model/year of your Mac and OS X version number (available from "About This Mac", then "More Info" on the Apple menu).
    ------
    Links: Onyx | EasyFind | Apple Hardware Test | How to test your hard drive | The Safe Mac Adware Removal Guide | Uninstall MacKeeper
    ------
    Lifeisabeach - Mac-Forums Member of the Month June 2009, Feb 2012, and March 2013.

  3. #3

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    48,479
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    It sounds like the AGP slot may have some bent connectors or needs cleaning. The machine is old and when removing and replacing cards such as video, there's always a danger of damaging the slot or shorting something out.

    Try some isopropyl alcohol swabs in the slot and at the same time, move the card in and out several times. If the connectors are OK and just dirty, that should clean them off. However, if the slot itself is bad, there's nothing more you can do.

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