9/19/2023 0 Comments Macos diffWhen the recovery menu appears select Disk Utility. Repair the Hard Drive and Permissions as follows. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Select the Recovery HD and click on the downward pointing arrow button. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. So, if you are thinking about stepping off the cliff:īoot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Up the proverbial creek without the proverbial paddle. And, you didn't make a backup before you started. Then you upgrade and the computer no longer works at all. There's the risk that the data is already corrupted but you were not aware. Mountain Lion provides stability, security and performance improvements over Lion.Īny time you do a system upgrade there is a risk that data will be lost or corrupted. You cannot upgrade to Lion unless you have a computer model that cannot run Mountain Lion. Otherwise, the difference is one "Mountain" and a different cat. According to Apple Mountain Lion has more than 200 new features that they will cover if you go to their web site.
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