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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

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac i5 2.7GHz, 16GB memory, OS 10.11.1.
    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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