When the installation has completed your computer will Restart into the SetupĪssistant. With the OS X installation and follow the directions included with the installer.Ĥ. When the formatting has completed quit DU and return to the installer. (Journaled, if supported), then click on the Apply button.ģ. Partitions to one (1) from the Partitions drop down menu, click on Options buttonĪnd select GUID, click on OK, then set the format type to MacOS Extended Size.) Click on the Partition tab in the DU main window. When the menu bar appears select Disk Utility from the Utilities menu.Īfter DU loads select the hard drive entry from the left side list (mfgr.'s ID and drive After the installer loads select your language and click on the Continueīutton. Release the key when you seeĪ small spinning gear appear below the dark gray Apple logo.Ģ. Insert the disc into the optical drive and restart the computer.Īfter the chime press and hold down the "C" key. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came However, if your model originally came with Snow Leopard, then you will first need to reinstall that version of Snow Leopard after erasing the drive.īe sure to make a backup first because the following procedure will eraseġ. If it does you may require a firmware upgrade first. See if your model falls in one of these categories: Computers that can be upgraded to use OS X Internet Recovery. This will reinstall the original version of OS X that was pre-installed on your computer when it was new. If possible because it is three times faster than wireless. Note : You will need an active Internet connection.
Be sure to select the correct drive to use if you have more than one. Mavericks : Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Click on the Options button, set the partition scheme to GUID then click on the OK button. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Partition tab in the DU main window.ģ. After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Select Disk Utility from the main menu and click on the Continue button.Ģ.
Wait patiently - 15-20 minutes - until the Recovery main menu appears.ġ.
Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Install Mavericks, Lion/Mountain Lion Using Internet Recoveryīe sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive. Assuming your MBA can use Internet Recoveery you will need to do the following: Then you will need to reinstall from scratch using your Apple ID.
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