I have a 1012 i got a few days ago through AT&T and installed a working 10.6.0 snow leopard which continued working up to the 10.6.3 upgrades. once i did the 10.6.4 it boots too a "unable to locate /extra/modules/symbols.dylib". i just trying to take the restore disc that came with it and put it on a usb drive so i can install uh...restore to the way it was. All the internet seems to offer are clearly layed out steps for doing this on a windows comp. thing is, I'm a mac user. Any assistance would be greatly appreciated.