How to install an operating system when it was only the image of the installation CD format Dmg on his hard drive or not to dual layer burner to burn the image and install the system …

Mac OS X operating system rich in functional terms. Unfortunately, Apple provides no documentation regarding the use of tools or features in Mac OS X … Apart, of course, principles of organization and a basic introduction to Mac OS X.

The disk utility.

You know all the application “Disk Utility” to format a hard drive to create a disk image from a CD or DVD, this application also serves to repair permissions on a disk (highly recommended after each installation of an application or an updated operating system).
Installing the operating system from its image in dmg format.

After setting up the source image format dmg, then after Drag & Drop of partition in the destination area. It remains only to click the Restore button in the bottom right of the main window.

It should.

The image format dmg system that you want to install.
Having a small partition of 8 Gos up on an internal hard drive or external preference

Procedure.

* Launch application “Disk Utility”
* Select the button “Restore” (top right)
* Click on “Image Source”. You’ll find the tree of your disk image of your operating system in dmg format.
* On the right side of the main window of the application “Disk Utility”, you drag and drop the disk partition that will be the target disk to install the operating system.

Installation.

Then just click on “Restore” (bottom right) for the disk utility puts into action the installation of the content of the image on the target disk. It will become a bootable disk with the script for installing Mac OS X.
It’ll just open the panel “Startup Disk” to select the installation disk for your operating system or reboot your computer by pressing the button “control (alt)” to select the startup disk (boot).

Selecting the startup disk that contains the operating system to install.