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  1. #1


    Member Since
    Jun 19, 2008
    Posts
    2
    Trouble booting from CD
    Hey guys,

    I recently acquired a Power Mac G4 (AGP, 500 mhz, 512 mb RAM) and I'm having trouble booting from a CD to upgrade to 10.3.

    I tried holding the C key, and I tried holding the option key and selecting the cd as my startup disk, and regardless of what I do, I end up with that prohibatory sign and the wheel spins and spins and spins and spins and does nothing. I'm fairly certain it is not the specific CD, as I even tried booting from a 10.2 installation disk for kicks and I get the same result.

    I have done the following but to no avail:
    1) reset the PRAM
    2) updated the firmware
    3) verified and repaired disk permissions

    I'm pretty new to these new operating systems, so any tips would be great.

    Thanks

  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,760
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    Have a look at this article from Apple, expecially resetting the NVRAM when getting the prohibitory sign:-

    http://docs.info.apple.com/article.h...num=106805#one

    Hope it helps.

  3. #3


    Member Since
    Jun 19, 2008
    Posts
    2
    After resetting the nvram, I have been able to boot from my 10.2 disk, leading me to believe that my 10.3 disk is corrupt.

    Thanks.

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,760
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    Glad to help. If you are in the STates give Apple a ring about changing corrupt disc. They used to do it for about $10.00, but really I think Tiger would be the go on your Gigabit Ethernet 500MHz machine, and kick RAM up to 1GB for better performance.

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