Yosemite already installed on this Mac (macOS Extractor)


i followed steps install yosemite 10.10 macos extractor method on macbook4,1.
when got installation screen , select option "reinstall" (the 1 install), installer shows message: "yosemite installed on mac". no disk selection provided, or license agreements, tutorials.
if try mavericks, problems same, message "could not installed on computer".
ideas?
 



Forums Macs macOS OS X Yosemite (10.10)


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