Start up your computer in macOS Recovery:
Be sure to either use the disc that came with your Mac, or, if you installed a later Mac OS X version from disc, use the newer disc. Put your install DVD into the optical drive (CD/DVD drive) and reboot.
You will lose any iLife installs (iPhoto, iMovie,GarageBand, iDVD and iWeb) since those are on disk #2 of your original install disks.
You can use your Snow Leopard retail install disk to erase the drive and reinstall 10.6 Snow Leopard.
Process by opening Software Update and installing all recommended updates to Which you will be running a fresh install of OS X. When the installation has completed your computer will require a restart after 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. OS Extended (Journaled, if supported), then click on the Partition button.ģ. Partitions to one (1) from the Partitions drop down menu, set the format type to Mac 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 see a small spinning gear appear below theĢ. Boot the computer using the Snow Leopard Installer Disc.