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  1. #1

    Member Since
    Oct 30, 2011
    Exclamation mac pro 1,1 issue with boot up
    hey guys,
    i recently plugged a usb hub into my mac pro, this caused the mac to turn off for some reason and now every time i try to reboot the mac it starts to load then turns itself off again, i've tried all i can think of to fix it but I'm running out of idea's.
    i believe that the cause was the usb hub was too powerful and it could have harmed the motherboard?
    thanks guys

  2. #2

    Member Since
    Dec 11, 2010
    late 2012 mini w/SSD

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    Imac 27", 3.3GHz, 512 flash storage, 16GB memory, macOS Sierra.
    From your description which is pretty vague it sounds like you are using a hub that draws power from the host machine? USB hubs are not that great generally, but look for a mains powered model if it is a machine powered hub.
    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!

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