The next user will be presented with the Setup Assistant when they turn on the computer just as it would if new out of the box.Before reinstalling the operating system, make sure you’ve backed up any files or data that you want to hang onto. At the completion of the installation do not restart the computer. After formatting has completed quit DU and return to the installer.

This process will take 30 minutes to several hours depending upon the size of the hard drive. The Zero Data procedure will prevent others from getting access to your personal information. If you choose to skip this part of the process then it is possible for others to recover data from the hard drive. Note: You can skip the Zero Data option if you are not concerned about removing sensitive personal data from the hard drive. Select the one pass Zero Data option and click on the OK button. Set the format type to Mac OS Extended (Journaled) then click on the Options button. After DU loads select the startup volume from the left side list then click on the Erase tab. When the menu bar appears select Disk Utility from the Utilities menu. After the installer loads select your language and click on the Continue button.

To reset the computer to factory setup:īoot from the Snow Leopard DVD. And, be sure you provide the original Snow Leopard DVD with the computer. To contact product and tech support visit online support site. You can purchase replacement discs from Apple to provide with the computer when it's sold:Īpple Store Customer Service at 1-80 or visit online Help for more information. I suggest using Ethernet if possible because it is three times faster than wireless. Note : You will need an active Internet connection. Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.

Set the format type to Mac OS Extended (Journaled.) Click on the Erase button and wait until the process has completed.

Click on the Erase tab in the DU main window.

After DU loads select your startup volume (usually Macintosh HD) from the left side list.

Select Disk Utility from the main menu and click on the Continue button.

Select the Recovery HD and click on the downward pointing arrow button. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears.

Install or Reinstall Lion/Mountain Lion from Scratchīe sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.

Wipe mac clean to sell