- Mountain lion recovery disk assistant mac os x#
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Some simplification may come with later updates to Lion. With the arrival of Lion, figuring out the best way to be prepared for a restore of your drive requires more planning than ever before. Both said that it is something they are considering for a future update-but there were no promises. I have asked the developers of SuperDuper and Data Backup about this possibility. That way, a restore would automatically restore both the main and the Recovery HD partitions, saving you the extra step of reinstalling Lion.
Mountain lion recovery disk assistant install#
I can confirm that running the Install utility will reinstall Lion 10.7.0 over an updated version (such as 10.7.1).Īn ideal solution would be for third-party backup utilities to include Recovery HD in their mirrored backups. Even if you created a separate empty partition via Disk Utility, prior to running Disk Assistant, it wouldn’t help-as the utility requires an existing Recovery HD in order to work.Īs another alternative, reinstalling Lion by running the Install OS X Lion utility may re-add the Recovery HD partition (I have not yet confirmed this).
Mountain lion recovery disk assistant software#
Can you add a Recovery HD partition at this point without having to start over? It would be nice, for example, if the Recovery Disk Assistant software could be used to create a Recovery HD partition on your startup drive, leaving the remainder of the drive intact. What if you forget the reinstall Lion step during the restore process? You now have a drive with Lion installed (via your backup) but no Recovery HD partition. The reinstall creates the Recovery HD partition. This means that a Lion restore requires an extra step: Reformat, reinstall Lion, and restore. Restoring from a mirrored backup does not reinstall the Recovery HD partition. However, with Lion, a reformat typically means that you erase the Recovery HD partition. Pre-Lion, all you would need to do is reformat and restore.
Further, suppose you decide that you need to reformat/repartition your internal drive before restoring from that backup. The other alternatives here are to use either of the Internet-free methods covered in the previous section.
Mountain lion recovery disk assistant mac os x#
If the system was upgraded from Mac OS X v10.6 Snow Leopard to Lion, the external recovery drive can be used with other systems that were upgraded from Snow Leopard to Lion.” Once again, the 2011 Macs that ship with Lion represent a special case.Īpple states: “If the computer shipped with Lion, the external recovery drive (created by Disk Assistant) can only be used with the system that created it. Creating a Recovery HD partition via Disk Assistant may also fail if you have FileVault enabled at the time. Make sure you create this external drive before disaster strikes, as Disk Assistant requires access to a functional Lion drive with a Recovery HD partition. After booting from Recovery HD on this external drive, you can repair, erase, repartition, and/or reinstall Mac OS X on your internal drive. Use it to set up a flash drive (or other USB drive) with a Recovery HD partition on it. One way to accomplish this is via Apple’s If this advice is coming too late, you can redownload a copy from the Mac App Store (by holding down the Option key when selecting the Purchases tab).
If you plan to use it again, save the application before it gets deleted. One complication here is that the Install OS X utility is moved to the Trash as part of an update/install to Lion. To do this, you’ll need a copy of the Install Mac OS X utility from the Mac App Store.
If you want to reinstall Lion without the need for an Internet connection, you have two main alternatives.īootable Lion install disc.
Mountain lion recovery disk assistant download#
Reinstalling OS X 10.7 via Recovery HD requires an Internet connection, as the installer has to both download OS X software and verify your computer’s eligibility. In such cases, you’ll have to rely on the Recovery HD option to reinstall Lion. These Macs have their own separate version. The version of Install OS X Lion available from the Mac App Store will not install Lion on these Macs.
To do this, you again start up from the Recovery HD partition and go directly to the Reinstall Mac OS X option.Īll of this gets still more complicated if you have one of the new Macs that come with OS X Lion preinstalled (the 2011 MacBook Air and Mac mini). If you are only concerned about corrupt system files, you may be able to skip a restore of your data and just reinstall Lion.
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