How Do I Create a Disc Image From a .DMG File and Burn to a DVD?
Disc image (DMG) files, readable only on Mac computers, are the format in which many programs are downloaded. When a DMG file is opened on a Mac, it is actually mounted as if it were an external hard drive or flash drive. The DMG file can be burned to a CD or alternatively sent to another computer using email or another means of file sharing. If you are sharing the file with a computer running Windows, convert the file to an ISO, or disc image file, prior to sending.
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Instructions
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DMG to ISO
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1
Open a new Finder window on your Mac. Click "Applications," and "Utilities." Open the "Disk Utility" application.
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Drag the DMG file into the Disk Utility window. Drop it in the left pane of the software.
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3
Select the DMG file that was dropped into the Disk Utility software. Click "Convert," located in the "Images" menu at the top of the screen.
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4
Choose the option to create a "CD/DVD Master" from the "Convert Image" dialog box that will appear.
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Choose a file name; include the extension ".cdr" in your file name. Click "Save" to begin converting the DMG.
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Locate the file in Finder once it has completed its conversion. Change the extension to ".ISO" in the file name.
ISO to DVD
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Insert a blank DVD into the DVD burner.
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Open the Disk Utility software, located in the "Utilities" folder contained in your "Applications" directory.
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Click "File" and "Open Disk Image" in the Disk Utility window. Select the ISO file using the file browser. Click "Open."
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Select the disc image from the left pane of the Disk Utility window. Click "Burn." Follow the on-screen prompts to complete the burning process.
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References
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