Boot the machine with an USB to install high sierra, by following the standard installation guide.Learn if your Mac This year’s version of the operating system offers compatibility with all Macs that can run macOS Sierra. So if you’re running the current version of macOS, you can upgrade. Here are the models that are compatible: MacBook (Late 2009 or newer) MacBook Pro (Mid 2010 or newer) MacBook Air (Late 2010 or newer) Mac mini (Mid 2010 or newer)The following computers cannot run macOS 10.14 Mojave or higher and should be replaced by the end of the year:Apple released the latest edition of macOS, version 10.13 High Sierra, so it's time to prepare your Mac for the update.High Sierra may be a relatively subtle update, performing a lot of changes to. Key point: Get the primary internal disk work.I upgrade to High Sierra on my MacBook Pro (late 2013) with no problems. When I went to upgrade my macMini OS (mid 2010) I experienced both the cursor on black screen (Mountain Lion to El Capitan) and black screen issues (El Capitan to High Sierra).com: Leopard Matte Hard Plastic Cover Compatible with MacBook Pro 13 inch 2012 2011 2010 2009 Release Model:A1278,AMONONE Hard Shell Case Keyboard Cover - Gray.MacBook Air introduced in 2011 or earlierMacBook Pro introduced in 2011 or earlierTo see which Mac and macOS you have click on the Apple icon on the top right hand part of the screen and then click “About This Mac” in the drop-down menu.There it should tell you the kind of Mac you have and which macOS you’re running.What can I do if I’m still running High Sierra?If you have a Mac that is too old to update to macOS 10.14 Mojave or newer, please contact us to discuss your options for replacement. If you can update to Mojave or a newer OS, please consult with us first. We will make sure that any software you are currently using will be compatible with a newer OS. Alternatively, you may use bless to update it manually, as long as the primary internal disk is there.Apple will stop all security updates for macOS 10.13 High Sierra in the fall of 2020.
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