All we're doing is trimming the free space.
Burning Mountain Lion on a DVD
I'd try it, but I don't have Mountain Lion. Verifying burnt disc now. Edited on Aug 08, '12 Just remember to mount the dmg for Mountain Lion. If you don't, disk utility will throw you an error.
You can infact burn the installer to a single layer DVD, using a feature called overburn. This is much simpler than it sounds.. It's not unusual to get errors after finishing the burn but as long as the Finishing Burn message is shown, the disc will function as expected. I think using any of these methods will cause the image to have a different checksum than the original. If that's not important to you, don't fret. This option will change what is burned such that the disc will have a dif- ferent checksum than the image it came from.
Lost your password? Powered by the Parse. More Mac Sites: Macworld MacUser iPhone Central. If you've tried burning the Mountain Lion installer to a standard DVD, you've probably noticed that it does not quite fit. Fortunately, there is a way around this.
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The problem is that the size of the InstallESD image is fixed at 4. However, the actual contents of the image occupy only 4. In order to cram Mountain Lion onto a standard DVD, we need create a slightly smaller image file of the exact same format, copy the contents over, then burn it to a DVD.
I've written a small script to make this process quick and easy. Simply paste the code below into a plain text document and save it with a file extension of ".
When this script finishes, you will have a new, smaller DVD image in your home folder, ready for burning. It won't work if it's located elsewhere. You'll also want to make sure you have at least 9 GB of disk space free, as the script temporarily creates two additional copies of the install image. The following comments are owned by whoever posted them.
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This site is not responsible for what they say. Typhoon14 on Aug 07, '12 Mail will not be published required. All Rights Reserved. Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Brian Brown says: November 22, at 5: Michael D says: November 22, at 7: Jason says: November 23, at 8: Dee says: January 14, at Bob Dawg says: March 19, at 6: Marc Adin says: November 22, at 6: DG says: November 23, at Sebby says: November 24, at 7: Village Idjit says: November 24, at Dave says: May 21, at 4: May 21, at 5: January 15, at Goose says: February 19, at November 25, at 3: Dufi says: November 26, at 2: Click the Partition tab.
From the Partition Layout drop-down menu, select 1 Partition. Click the Options button. Click OK.
All data on the USB flash drive will be deleted. Click the Apply button. Disk Utility will ask you to confirm that you wish to partition the USB device.
How to Burn Disc Images in Mac OS Without Disk Utility
Click the Partition button. Click the Restore tab. Drag the InstallESD. Drag the USB flash device's volume name from the device list to the Destination field. Some versions of Disk Utility may include a box labeled Erase Destination ; if yours does, make sure the box is checked. Click Restore. Disk Utility will ask if you really wish to perform a restore, which erases all information on the destination drive.