![]() ![]() Go to the Partition tab and select 1 Partition from the dropdown menu. Place a blank DVD into the Mac's optical drive, then select Burn to create a bootable DVD containing OS X Mountain Lion. Select Burn, located in the upper-right corner of the Disk Utility window. You now have two working Macs with identical files on them - from there it is up to you. If you want to burn Lion to a USB flash drive, plug it in and click on it in the left-hand sidebar in Disk Utility. Launch Disk Utility, which is located in User/Applications/Utilities. Instead I recommend you just clone the hard disk from machine to machine.ĭownload SuperDuper! (free license is sufficient, but recommend you pay for full license, it is a wise investment).Ĭlone the disk on the good mac to the new hard disk. Set one of them to TargetDisk mode, boot the other one off the good disk (I don't think it matters which is used here?).īecause your other Mac has 10.5 Leopard you don't have App Store and so can't easily get Mountain Lion (even assuming the failed machine is compatible). The OS X Recovery Disk Assistant lets you create OS X Recovery on an external drive that has all of the same capabilities as the built-in OS X Recovery: reinstall Lion or Mountain Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web with Safari. Apple no longer supply a bootable USB Flash Drive for their newest Mountain Lion operating system, as they did with Lion. If you have a firewire cable the easiest solution would be to cable the two Macs together. In this video we take a look at how to create a Mac OS X Lion or Mountain Lion Installer from macOS Mojave and other recent macOS versions, this is very hand. ![]() (This is where you should wish you had backups with SuperDuper! which creates fully bootable clones of your hard disk).Īssuming that you don't, you need to use your other Mac (note that the installation disks from another Mac will not work in yours - only purchased OS X disks can be used in any machine). If the disk is unreadable then recovery disk will not work - and when you put in a new blank disk it won't be on that one either, so the recovery procedure outlined will not work here. ![]()
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