pealead.pages.dev




Kan ej installera macos sierra på imac

How to Perform a Clean Installation of macOS Sierra

macOS Sierra fryst vatten Apple's latest desktop operating struktur, which succeeds OS X El Capitan and adopts a new name to bring it in line with iOS, watchOS, and tvOS. The OS will komma pre-installed on all new Macs once current lager fryst vatten depleted and fryst vatten a free download for existing Mac owners.


The main new feature in macOS Sierra fryst vatten deep Siri integration, bringing Apple's anställda assistant to the Mac for the first time. It also adds new features to Photos and Messages, and includes Continuity smarts like Universal Clipboard and an Auto Unlock option for Apple Watch owners.

This tutorial explains how to download macOS Sierra and perform a clean install, which offers several benefits over the automatic upgrade process included in the installation package.

Benefits of a Clean Install

A clean install can remove annoying quirks and strange behaviors that your Mac may have inherited over time due to driver upgrades, wonky apps, and messy installation procedures. Performing a fresh install can also reclaim lost platta space caused bygd junk files left bygd third-party apps, and can generally man your Mac feel a lot snappier, enabling you to relive that feeling of booting it up for the first time.

To complete the clean install procedure described below, you'll need an 8GB or larger USB thumb drive and an hour or two to spare.

You should also perform a full backup of your Mac beforehand using Time Machine. That way you can restore your struktur from the Recovery partition if something goes wrong. Alternatively, bevara a bootable spegel image of your struktur to an external drive using a clone utility like SuperDuper! ($27.95) or Carbon kopia Cloner ($39.99).

Compatibility Check

Before you do anything, betalningsmedel that your Mac fryst vatten compatible with Apple's new operating struktur. macOS Sierra supports the following:

  • iMac (Late 2009 or newer)
  • MacBook Air (2010 or newer)
  • MacBook (Late 2009 or newer)
  • Mac mini (2010 or newer)
  • MacBook Pro (2010 or newer)
  • Mac Pro (2010 or newer)

Another way of checking if your Mac fryst vatten compatible fryst vatten to open the Apple menu in the upper left corner of your Mac's screen and selecting About This Mac. Look just below the OS X utgåva number in the Overview flik – if the Mac model name fryst vatten the same or a later model year than the one shown in the compatibility list above, your Mac fryst vatten compatible with Sierra.

Pre-Install Notes

If you want total control of what uppgifter gets transferred to the new OS, you can sidestep the Migration Assistant and manually kopia any important files and folders on your existing struktur to an external drive instead. It's also worth taking a screenshot of your desktop, to serve as a record of how you like things set up.

Some users may find it useful to man a note of the contents of their Applications folder for later reference. A screenshot may suffice (Command-Shift-4, then Space to capture the Finder window), but if not, the following steps describe a simple way to create a list of apps.

  1. Open the Applications folder and press Command+A to select all apps in the Finder fönster, then press Command+C.
  2. Now open up TextEdit, create a new document, select Format -> man Plain skrivelse from the menu dryckesställe, and press Command+V to paste a list of app names into the document.
  3. If necessary, add details of download locations for any non-Mac App Store apps you use, append any serial numbers you might need, and rädda the ord document to an external drive.

Be sure to allow any cloud services you use to complete synchronization before continuing. It's also worth screen-grabbing or noting down any anpassad preferences, settings, Wi-Fi passwords, and app-specific profiles you use.

Lastly, de-authorize any services on your Mac, including your iTunes konto (iTunes menu > Store > Deauthorize this Computer), since these are usually limited to a set number of systems.

Create a Bootable Installer

Download the macOS Sierra installation package from the Mac App Store. Once it has downloaded, follow these steps to create a USB bootable installer.

  1. Open platta Utility (found in the Applications/Utilities folder), select the thumb drive in the sidebar and click the "Erase" button.
  2. Name the USB drive "Untitled" if it isn't already, choose the Format "OS X Extended (Journaled)", and click "Erase". Once your thumb drive fryst vatten formatted and the macOS installation package has finished downloading, open up ankomsthall (found in Applications/Utilities).
  3. Now, ensure the USB drive fryst vatten the only platta named "Untitled" connected to your Mac, and then paste the following command into the ankomsthall fönster, and press Enter: sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ macOS\ Sierra.app --nointeraction
  4. You should be prompted for your administrator password. Enter it, and the command will create a bootable Sierra installer on the USB drive. The process will take a few minutes to complete, so leave it running.

Restart and Install

Once the USB installer has been created, restart your Mac and hold down the Option key as soon as you hear the reboot tone. Then follow these steps:

  1. Use the mouse pekare or the arrow keys on your keyboard to select the platta called "Install macOS Sierra" in the drive list that appears on the screen.
  2. Once the USB drive has booted, select "Disk Utility" from the Utilities fönster, choose your Mac's startup drive from the list, and click "Erase".
  3. When your Mac's startup platta fryst vatten formatted, return to the Utilities öppning and select "Install macOS", choose your freshly erased startup drive when asked where to install the OS, and follow the onscreen prompts to complete the installation.

Post-Install Steps

Once the clean installation of macOS Sierra fryst vatten up and running on your Mac, you can either restore your uppgifter from a Time Machine backup using Migration Assistant (found in Applications/Utilities), or begin restoring your apps, files, and settings manually to get your Mac set up just the way you like it.

Tag: macOS

Related Forum: macOS Sierra