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#REINSTALL MAC OS X MOUNTAIN LION HOW TO#
#REINSTALL MAC OS X MOUNTAIN LION INSTALL#
#REINSTALL MAC OS X MOUNTAIN LION PRO#

#REINSTALL MAC OS X MOUNTAIN LION INSTALL#

Use the App Store to download and install the latest macOS or an earlier macOS.You can also use these methods to install macOS, if the macOS is compatible with your Mac: If you just erased your entire startup disk, you might be offered only the macOS that came with your Mac, or the closest version still available. How do I install the Mac client Download the DMG file Open the file and double click the box icon to begin the installation.If the Mac logic board was just replaced, you might be offered only the latest macOS that is compatible with your Mac.Or you can use Option-Command-R during startup to be offered either the latest macOS that is compatible with your Mac, or in some cases the macOS that came with your Mac or the closest version still available.

On an Intel-based Mac, you can use Shift-Option-Command-R during startup to be offered the macOS that came with your Mac, or the closest version still available.When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:

#REINSTALL MAC OS X MOUNTAIN LION PRO#

When the new owner starts up the Mac, they can use their own information to complete setup. To install Mountain Lion, you need one of these Mac models: iMac (Mid 20072020) MacBook (Late 2008 Aluminium, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) MacBook Air (Late 2008 or newer) Mac mini (Early 2009 or newer) Mac Pro (Early 2008 or newer) Xserve (Early 2009) Your Mac needs: OS X 10.6. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.Īfter installation is complete, your Mac might restart to a setup assistant. Allow installation to complete without putting your Mac to sleep or closing its lid.

#REINSTALL MAC OS X MOUNTAIN LION HOW TO#

How to Install Mac OS X Yosemite on VirtualBox.

If you don't seek it out, you won't delete your files. The only way you lose files is if you specifically open Disk Utility, Erase your drive, and then proceed with the install. Access the BIOS by pressing F2 and make 2 changes. How to Install Mac OS X 10.6 Snow Leopard on Virtualbox on Windows 7 For FREE. If you simply boot into your Recovery Partition and tell it to 'Reinstall OS X', it will do so, and not touch your files. MultiBeast 5.2.1 Install Process Pre Requisites: This Vaio has a cool UEFI based BIOS that you access by pressing the access button while the machine is powered off. How to install OS X Mountain Lion on an ivy bridge PC.

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD. How to Install Apple Mac OS X 10.8.4 ( Mountain lion ) on Intel PCs /Laptops.

If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

To begin installation, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation: Reinstalling macOS does not remove data from your Mac.