* Select your newly made Snow Leopard 10.6 Install DVD image and restore this image to the GUID partition you just created OR…

* Next, click the “Restore” tab within Disk Utility * Click OK to create the GUID partition (this will reformat the drive, ie: all data is lost) * Select the top option for “GUID Partition Table” – it MUST be GUID to be bootable! * Select 1 Partition, then click “Options” below the partition scheme * Click “Partition” from the menu options * Select the External Firewire/USB device that you want to use as the boot drive for the upgrade

Install Mac OS X 10.6 Snow Leopard from an external Firewire or USB drive * Click OK and wait for the image to be createdĮasy enough right? Ok so here’s how you create a bootable Snow Leopard installation drive out of your external firewire or USB hard disk. * Name the image and put it somewhere you can find it easily (Desktop) * Click the “New Image” button at the top * Select the Snow Leopard DVD within Disk Utility If you do need to, you can create a DMG file of the Snow Leopard disk, this is very easy. This process works with Mac OS X 10.4 Tiger.As some readers pointed out, this step isn’t required.

Select your CD/DVD drive from the list of devices.Click the ‘Burn’ button in the top left corner of Disk Utility.Select the mounted ISO volume from the left-hand list in the Disk Utility window.This will mount the ISO and add it to the list of volumes. From the File menu, select ‘Open Disk Image’ or press Apple+Option+O.Open Finder and navigate to Applications > Utilities > Disk Utility.The following steps are your path to ISO burning heaven: The answer is found within Disk Utility and is not a solution you would stumble upon blindly. I then went to the Disk Utility in OS X in search of more options, but again, no mention of writing ISO images to disc and, rather confusingly, the ‘Burn’ option is disabled when you select your blank disc from the list. As a past user of disc burning software on Windows, I expected to find a ‘Burn Image to Disc’ option either by right-clicking on the file or in the ‘Burn CD’ dialog, but no such option exists. As a relatively recent Mac convert I had one of those ‘Well how do you do that then?’ moments today when I wanted to write an ISO file CD.

How do i burn os x 10.4 iso on a mac