On every OS X 10.8 Mountain Lion there is a hidden partition to enable a method for Mountain Lion OS to be reinstalled on the machine, it is known as the Recovery Partition or drive and is 650mb in size.
- Procedure to retrieve data from Mavericks partition: Download Yodot Mac Data Recovery program by logging in as local administrator and install it; After completion of installation process, launch the software by clicking on shortcut icon that is available on screen.
- Mar 16, 2014 How To Recover Recovery HD Partition in OS X Mavericks. Recover Recovery HD in OS X Mavericks. How To Create Recovery HD Partition on Mac OS X Mavericks. OS X Mavericks versions: 10.9, 10.9.1, 10.
- Oct 23, 2013 This guide deals with 3 ways of making a boot disk from OSX 10.9 Mavericks the first one is the fastest and is done via the Terminal from a new command already in OSX Mavericks called createinstallmedia, the other 2 are older ways when Mavericks was in development and are done with a mixture of finder using Disk Utility and command line.
- Jesus Vigo goes over the steps to create and restore a recovery partition for OS X Mavericks. Jesus Vigo goes over the steps to create and restore a recovery partition for OS X Mavericks.
Feb 03, 2012 All Macs with OS X Mavericks, Yosemite, Lion, Mountain Lion, have a bootable Recovery partition that can be accessed in case of system problems, allowing you to troubleshoot, restore from Time Machine backups, and even reinstall Mac OS X. Mar 13, 2014 If you were to do a clean install with the previous method I showed you would notice that it doesn't install a recovery partition. Fine for me but not for Find My Mac and Back to Mac.
If you bought a new machine from Apple you have OS X 10.8 already installed – but no back up disk! and since you haven’t bought the OSX Lion 10.8 App from the App store you can’t re-download it – so thats why you have the recovery drive as a partition in your main hard drive, to boot from it you need to restart the machine and when it starts to boot hold down “command” + “r” keys.
From the Recovery Partition Hard Drivr you can run Disk Utility, access the command line, get online help and do a restore from a Time Machine backup and re-install Mountain Lion leaving all your other files intact – it just replaces the core operating system.
You can make a bootable USB drive or disk from the Recovery Partition 2 ways – the easy way and on the Terminal
The Easy Way
1) Download OSX Recovery Disk Assistant and uncompress and launch it
2) Attach the USB drive that you want to copy the Recovery Partition to.
3) Select the drive and continue (All contents on it will be erased)
That’s it one external bootable Recovery Drive – this works on both OSX 10.7 and 10.8
The Terminal Way
1) Launch Terminal from /Applications/Utilities and run:
The main drive in this list is No.2 with the “Identifier” of disk0s2, the boot Recovery HD drive is disk0s3
We can also identify the Recovery drive by the name and the size – set at 650mb
2) Mount the drive by its Identifier:
Output should be:
Now the Recovery HD is mounted in the Finder and you can see it in the sidebar under Devices
Navigate to it from the sidebar – Recovery HD/com.apple.recovery.boot/BaseSystem.dmg
recovery-finder-osx-lion
3) Doubleclick BaseSystem.dmg to mount it also in the sidebar. This will mount the volume ” Mac OSX Base System”
macosx-basesystem
4) Open Disk Utility in /Applications/Utilities
5) Put in a 2GB+ USB drive, let Disk Utility load it. The USB drive needs to be formatted as Mac OS Extended Journaled, if its not, its time to format it in Disk Utility…
6) Finally in still in Disk Utility, select the “Restore” tab – drag the mounted volume “Mac OSX Base System” into the Source field and drag the USB drive “Volume” (mine is called SuperBootUSBDrive) to the Destination.
restore-volume-osx-usb
7) Click Restore – 10 minutes later – One bootable USB drive
Your bootable USB drive will be called “Mac OS X Base System” after the restore is complete. Now to boot from it just select it as the Start Up disk in System Preferences or hold down option key on boot and select it from the choice of bootable devices.
If you have downloaded the OSX 10.8 Mountain Lion App from the App Store then you can also make a full bootable image of OSX 10.8 to a disk/drive, you need to make the boot drive/disk before you install the Mountain Lion App, as the installer is deleted after running it. That’s why the guide here can get you out of trouble.
Update For Newer Models – hidden BaseSystem.dmg – BaseSystem.chunklist
Mac Os X Mavericks Dmg
If you have the latest models from Apple that came already shipped with OSX 10.7, then you may not have the “BaseSystem.dmg” but instead see a “BaseSystem.chunklist” , the “BaseSystem.dmg” is there it’s just hidden.
Mavericks Dmg From Recovery Partition Free
To show it so you can see it in the finder – go to Terminal – and after you have mounted the Recovery Drive:
Download Mavericks Installer Dmg
Now it will be visible in the Finder.