1/27/2024 0 Comments Install macos sierraUse macOS Recovery to reinstall macOS the web.Make a copy of the macOS installer on a USB stick, reformat your drive and then install the macOS on to your Mac from the installer.Should this happen you will have to reinstall the system.Īs we explained above, there is more than one way to wipe your Mac and reinstall macOS: Should a problem occur with macOS during a restart, perhaps because a storage space on the SSD is defective and thus a system component is no longer intact, this will be recognised by the startup process since the seal will now be invalid. So macOS itself cannot be changed by any software that you install as a user. And snapshots cannot be changed, even by the system itself. For further security, these Macs also do not start directly from the system volume, but from a snapshot of the system. This seal is stored either in the T2 chip of the newer Intel Macs or in the Secure Enclave of the Apple M1/M2.Įach component of the system is signed in hierarchical order, and any change to a component would also invalidate the seal that represents the top level. Since macOS Big Sur, macOS has its home on its own volume, which is both read-only and cryptographically signed and sealed (referred to as a Sealed System Volume). If you’re performing this as an upgrade, launch the Install macOS Sierra.app from the root of the newly created drive and follow the prompts to upgrade in a live environment.In the past it was helpful to reinstall the system if you wanted to correct some Mac problems, but today this solution doesn’t make as much sense. From there, select the USB drive partition and follow the prompts to install macOS Sierra on your Mac. To perform a clean install, simply insert your drive, power on the computer, and hold down the Option key to access the boot selection menu. To double-check, open the USB volume and verify that the macOS Sierra installer was copied to the drive ( Figure D)( Figure E). Once the process completes, you’ll receive an on-screen confirmation that the process completed successfully. The drive will be erased, and then installation files will be copied to the volume ( Figure B)( Figure C).ģ. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/USB_DRIVE_VOLUME_NAME -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeractionĢ. Note: All data on the USB drive will be erased ( Figure A). Launch Terminal.app and enter the following command to kick off the process of extracting the macOS Sierra files to the USB drive. Insert the USB flash drive into a USB port and note the volume name of the drive as it is mounted to Finder. SEE: Screenshots: A complete roundup of new macOS Sierra features (TechRepublic) Creating a bootable USB installer for macOS Sierraįollow these steps to create a bootable USB installer.ġ. User account with administrative privileges.Apple computer with Mac App Store (10.6.8+).Install MacOS Sierra.app (the installer downloaded from the Mac App Store).SEE: macOS Sierra: The smart person’s guide (TechRepublic) Requirements for creating a bootable drive IT admins for enterprise environments might look toward other distribution methods, such as DeployStudio. To facilitate this upgrade process, creating a bootable USB installer drive helps get this deployed quickly for SMB environments. While the process of upgrading to macOS Sierra is pretty easy for consumers, IT administrators may have a more difficult time getting this update to all the end users they support. What's hot at TechRepublicĬhatGPT cheat sheet: Complete guide for 2023Ħ best alternatives for 2023 (Free & Paid)ĬhatGPT is the fastest-growing area of interest for professional learners, Udemy reports This macOS is supported on computers manufactured in 2010 or later. The download is available from Apple’s Mac App Store, and it clocks in at just under 5 GB. How to create a bootable USB installer for macOS Sierraįollow these steps to take to create a bootable USB installer drive for macOS Sierra to deploy version 10.12 of Apple's OS on supported devices.Ĭontinuing with its yearly release cycle for hardware and software, Apple released macOS Sierra, version 10.12 of its popular operating system, on September 20, 2016.
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