At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do
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2006/2007 Mac Pro (1,1/2,1) and OS X El Capitan | Page 53 | MacRumors Forums
2006/2007 Mac Pro (1,1/2,1) and OS X El Capitan | MacRumors Forums
