If you have a Lion installer on a USB thumbdrive, you can use it to upgrade your Mac from Snow Leopard to Lion, but if you have an older version of OS X you can’t upgrade. You need to first upgrade to Snow Leopard OR you can erase everything and do a completely fresh install of Lion. After installing Lion on my iMac, I wanted to delete everything on my laptop and do a fresh install of Lion. But the installer will not install over an older version of OSX. I had to delete the old version of OSX, then install Lion from the USB thumbdrive. Here’s how to do a fresh install of Lion.
Most Popular Topics
Popular Tags
advanced audio backup beginners compression dragon drivers DVD email gmail google hardware internet ipad iphone ipod itunes keynote macbook movies mp3 music OS-X pages pdf performance phone popular presentations printing problems productivity reviews screen shopping shortcuts speech recognition softwaresync ssd telstra time machine video windows PC WordPress
Recent Comments