Sierra

Macbook Pro 2018 Not Letting Me Download High Sierra Leone

To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

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Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Macbook
  • MacBook Air (M1, 2020) MacBook Air (Retina, 13-inch, 2020) MacBook Air (Retina, 13-inch, 2018 - 2019).
  • I’m running a mid-2012 MacBook Pro with 8GB of RAM and 750GB HD still less than half-full. I recently updated from Sierra to High Sierra without any immediately obvious problems. My usual software runs okay. But now it’s impossible to access the second user account used occasionally by my son.
  • The next screen you’ll see is the Recovery Mode utility window. In Sierra and High Sierra it looks something like this: 5. Format your MacBook drive. After you have completed all the step successfully, you need to wipe away all the data from your Hard disk. You may call it disk format, erase disk data.

Check compatibility

If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.

According to the website everymac.com, all 2017 MacBook Pro models were pre-installed with macOS 10.12.5 (Sierra). Just because your Mac came with High Sierra does not mean the firmware will not allow you to download and install Sierra. Try this test: Restart your Mac and hold down the Shift+Option+ ⌘(Command)+R. This will allow you boot to.

If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.

Make a backup

Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

Macbook pro 2018 not letting me download high sierra 10.12

Download macOS

Macbook Pro 2018 Not Letting Me Download High Sierra 10.13

Macbook Pro 2018 Not Letting Me Download High Sierra

It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.

These installers from the App Store open automatically after you download them:

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion

Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.

  • macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
  • OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
  • OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard

Macbook Pro 2018 Not Letting Me Download High Sierra Madre

Install macOS

Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.

Learn more

You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.