Update: Go to Install macOS Sierra Using Bootable USB Flash Drive if you want to install macOS 10.12 Sierra instead. Update 2: The instructions below will work to manually create a Mac OS X 10.11 El Capitan USB installation drive. I needed to upgrade my sister’s 2008 Macbook Pro and…
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Update: Go to Bootable USB Flash Drive to Install Mac OS X 10.10 Yosemite if you want to install Mac OS X 10.9 Mavericks or Mac OS X 10.10 Yosemite instead. The instructions below will not work for Mac OS X 10.7 Lion or later versions. I thought it would…
16 CommentsNote: I have also used the WinToFlash tool to successfully make a bootable USB Windows 7 installer, both 32bit and 64bit versions. My sister asked me to fix her Compaq Windows XP laptop. I found that the Windows XP Home installation on it was in a weird state. On bootup,…
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