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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

mac pro 1,1 issue with boot up


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krumky

 
Member Since: Oct 30, 2011
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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
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gsahli

 
Member Since: Dec 11, 2010
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When and How to Reset Mac SMC (System Management Controller)
(follow the PRAM link in there, too)
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harryb2448

 
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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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