After clean install of Mavericks, can't find old system
Apple techs did a clean install of Mavericks which I had not yet updated to for many reasons. They replaced my graphics card. I do have everything backed up. What I want to do is go back to using my computer the way it was but I can't find the old system folder. What should I do?
MacBook Pro (15-inch Early 2011), Mac OS X (10.7.5)