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(2) After signing in, I get the error "This item is temporarily unavailable. (1) I am forced to sign into app store when reinstalling OS X Lion (weird, since other people suggest app store sign-in is not necessary when reinstalling original OS). Internet recovery installation fails as follows: Recovery partition missing, so I have to use Internet recovery. Trying to re-install OS X on Macbook Air after erasing default system partition. Perhaps because the computer I used to create the USB runs El Capitan, while MBA came with Lion. Using USB on MBA at boot up leads to the regular boot up progress bar going about halfway, then stopping at an error screen (box with an "X" inside).
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Last thing I tried: Recovery Disk Assistant on my working Macbook Pro to create recovery USB. Not 100% sure why, since I didn't erase it, but given that I got the MBA from someone else as well, it is possible that partition was erased earlier. Please try again later."Ĭhecking Disk Utility, I see there's no recovery partition. Once I sign in, installation fails with error message: "This item is temporarily unavailable. This step is not optional in my case, i.e. After that, I am asked to sign into the App Store. "ok", followed by progress report "Loading Installation Information", then dialog to confirm license agreement, then dialog to select installation disk.
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Pressing "ok" is followed by message "To download and restore Mac OS X, you computer's eligibility will be verified with Apple".
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Selecting option 2, "Reinstall Mac OS X", I am offered to install OS X Lion 10.7 (the original OS the machine was shipped with). Mac OS X Utilities menus load, no problem here. Seems to suggest that there's no recovery partition, or it's not recognized, right? macOS Sierra 10.12 was released on September 20, 2016. The original operating system on that MacBook at the time of release was OS X 10.7.4 Lion. grey screen, then automatically switch to Internet recovery mode. The MacBookPro10,1 is the MacBook Pro (Retina 2012) released on June 11, 2012, nearly eleven months after the release of 10.7 Lion. No visible progress for about 30 seconds, i.e.
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If you are running Snow Leopard or Lion and would like to upgrade to High Sierra, you need to install El Capitan first. No surprise, since the system partition has been erased. This version of OS X El Capitan is for users running OS X Snow Leopard or OS X Lion who would like to upgrade to macOS High Sierra. regular startup: Bootup stops at question mark screen. I have now been trying to re-install OS X on the MBA, but didn't succeed. Before doing so, I erased the default system/home partition with Disk Utility in Recovery Mode. The machine came with OS X Lion pre-installed, and has been upgraded up to El Capitan while I used it. I'm trying to reinstall OS X (Lion, or higher - which version doesn't matter to me right now) on a Macbook Air, 11-inch, Late 2010 model. Hoping someone here has a different idea. Tried every suggestion I could find on the net, but nothing worked. Mac Mojave runs on Mac computers featuring an OS X 10.8 and later versions.I'm out of ideas. Unless you rely too heavily on old apps without new updates, Mojave is a logical extension of your current user experience. In general, the newest version of the operating system brings everything the users loved in the previous versions - only enhanced. Another thing that draws attention is an improvement in Continuity - the connection between the phone and the computer. These, and many more features allow Mac users to enjoy an even sleeker operating system. To counter that, Apple added Desktop Stacks to make your desktop organized according to the criteria you desire. However, in the older versions, the sync between Mac and iPhone led to a lot of clutter. Furthermore, the Dynamic Desktop feature changes the image on your desktop to match the time of the day.Īs an operating system, Mac OS has always tried to make things sleek and minimalist on your desktop. With Mojave, you can mute the colors of the interface, so you don’t find yourself blinded when working at night thanks to the Dark Mode. The most significant changes in the newest version relate to aesthetics.
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The only thing you should worry about is to update your apps, as the old versions won’t work on Mojave. If you’re a user of Mac OS, upgrading to the Mojave version is the logical next step. Besides the obvious advantages, there are covert improvements that will boost your Mac. You will get some handy benefits free of charge.
