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.
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.
Oct 15, 2014 Now when it comes time to do a new machine boot the recovery partition on that external then restore the basic install you have on that external to the machine you are working on. Drambuie macrumors 6502a. Unlike Lion and Mountain Lion, the InstallESD.dmg file is not bootable for Mavericks, and so alternative methods are required for.
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
![Mavericks Mavericks](https://img-19.ccm2.net/vl_56tuOreP6KjEpvNXXJvF4s2Y=/71c49a69bfae45678ed61ff583b44968/ccm-faq/pgxiy-cle-usb-finie-sous-mac-os-10-6.png)
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
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
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.
Handling all the programs is usually very intuitive and is based on the same pattern of conduct. Cdr to dmg software windows 7.
To show it so you can see it in the finder – go to Terminal – and after you have mounted the Recovery Drive:
Now it will be visible in the Finder.
HomeYodot Mac Data RecoveryMac Partition RecoveryPartition Recovery from Mavericks
Mavericks is tenth major operating system designed by Apple and offers many enhanced features such as improved finder, maps, multiple display, notification center, iBook, Safari, calendar, tag functionality, etc. Many user upgrade to Mac Mavericks because it is free upgrade from Apple store. However, while using Mac Mavericks OS X, user may lose or erase volumes accidentally due to various situations.
Jul 20, 2017 Even some smaller companies avoid the Mac App Store for this reason. We could go on, but needless to say not everything you want will be in the App Store. DMGs and Other Archives: Just Drag and Drop. Most macOS applications downloaded from outside the store come inside a DMG file. How to create a dmg file for a.app for mac.? It's a subjective issue, but.dmg's are a good and popular way to distribute the apps - user double-clicks, drags app, ejects just as they would a USB stick, done. You can get apps to help you build them, but its not too Hard with Disk Utility, you just need to mess around a little to make it look nice. Feb 25, 2020 If you don't see New Folder or it's gray. Send them a link to any file stored in iCloud Drive directly from the Files app. Select the file, tap Share, and select Add People. You can also share a copy of your file through AirDrop. Start a Discussion in Apple Support Communities. After installing 7-Zip, you can simply double-click a DMG file to open it and browse its contents. If you’d like to extract the files from the DMG so they’re easier to work with, right-click the DMG file, point to the “7-Zip” menu, and then choose one of the extraction options. ![Iphone](/uploads/1/2/5/3/125388546/217705690.webp)
![Iphone](/uploads/1/2/5/3/125388546/217705690.webp)
Let us consider a scenario where you upgrade your Mac machine from Lion to Mavericks. Later you messed up with upgradation process and lost a partition. When you tried to find the volume in time machine, it might display you the partition but it couldn't access any of the saved files. However, losing Mavericks partition data will put you in dilemma. There are few more conditions that lead to loss or deletion of partitions from Mavericks:
- Mistakenly deleting volume on Mac machine while performing some other task may render loss of crucial data
- Accidentally formatting Mavericks volumes can wipe entire data present in it
- Following incorrect procedure of reformatting a partition on Mavericks can lead to missing up of partition
- Occurrence of error while reinstalling Mavericks operating system on Mac machine can hide volumes
- File system corruption can make Mavericks volumes inaccessible
- Partitions may go missing after disk cleanup operation
If you undergo any of the above mentioned situations and lose data, it might be devastating situation to handle. To avoid it in future, it is better to take backup of important information with Time Machine. If you don't possess backup of crucial files then get back data from Mavericks partitions using Yodot Mac Data Recovery software.
Attributes of Yodot Mac Data Recovery tool:
One can use Yodot Mac Data Recovery software to restore data from missed or deleted partition on Mavericks operating system. This program has powerful recovery algorithm that scans and regains data from damaged or corrupted Mac hard drive. With the utilization of appropriate file signature scan you can rescue specific file types successfully within few simple mouse clicks. It can retrieve partitions on Apple from memory card, flash drives, external hard drives, iPods, SSD drives, etc. It helps to regain files from external storage media formatted with FAT16, FAT32, HFS+, HFSX and HFS file system. Addition to Mavericks, this utility supports Mac machine running with Leopard, Snow Leopard, Lion, Mountain Lion and Yosemite operating systems. You can regain partitions from iMac, MacBook, MacBook Pro, MacBook Air and Mac Mini. The demo version of this tool will let you understand each and every steps to be followed to restore partition data.
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
- In main screen you can observe two options like 'Volume Recovery' and 'Formatted / Reformatted Recovery'
- Opt for required option and proceed to next screen
- After selection, the tool will show all the drives present in Mavericks OS X
- Now select the partition from where you lost the data
- Next screen will display two scanning techniques such as 'Normal Scan' and 'Smart Scan'
- Select either of the option and proceed next
- Then choose the file type you need to recover or simply 'Skip' it
- Software starts to scan and displays all retrieved data
- Preview the files before saving them to respective destination location
Points to Note:
- After losing data from Mavericks volume do not save any new information to it
- Do not perform any unknown tasks in Disk utility on Mavericks OS X without proper guidance
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