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May 3, 2017 ... Otherwise, the easiest way to reinstall macOS is to install it again from the ... whether to erase your startup disk or begin reinstalling macOS.

Mar 14, 2014 ... How To Clean Install Osx Without Disk ... Up next. Restore Mac to Factory Settings Without Disc - MacBook Pro, Air, iMac, Retina Display, Mini ...


You should now have a fresh copy of Mac OS X installed, and your computer is back to its factory settings. All without the need for a recovery disc or thumb drive.


Jul 20, 2011 ... Unlike previous versions of Mac OS X, Lion (OS X 10.7) doesn't ship on a bootable disc—it's available only as an installer app downloadable ...


Mar 5, 2014 ... If you troubleshoot Macs on a regular basis, sooner or later, you're going to need an old Mac OS X install CD or DVD. Only the truly organized ...


Insert a Mac OS X v10.5 Leopard installation disc into your optical drive. ... To begin the installation, click the install disc icon on the boot option menu.


The bootable Mac OS X Snow Leopard Install DVD-ROM is important if your Mac ever ... To boot your Mac from a DVD-ROM installation disc, follow these steps:.


Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come Au.


Jul 20, 2011 ... Apple has released OS X Lion as a download from the Mac App Store ... you can use the download to create a separate OS installation disc or ...


I've had Mac OS X Lion installed on a mid-2011 iMac. I've erased the main partition and when I try to repair OS installation it connects to the ...