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Apr 09, 2018 I’m trying to install on a Mac mini 2014 that I have installed a SSD in. It begins to install shut down and restart. At the point it should be converting to the new file format it restarts and says unable to unmount disk for repair and fails the install. (Or words to that effect) The disk is fine and checks out fine in first aid. Repair a storage device in Disk Utility on Mac. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Disk Utility can’t detect or repair all problems that a disk may have.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, 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.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
Configure enterprise email outlook for mac cac. For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
What Are All The Mac Keyboard Symbols? Display all Mac keyboard symbols. Even if you’ve been using your Mac for a while. Create custom Mac keyboard shortcuts symbols. Switch to other languages on Mac. Sometimes, the Mac keyboard symbols you need are only available in. Type in various symbol. Keyboard shortcut symbols for Keynote on Mac You can use keyboard shortcuts—combinations of keys you press at the same time—to quickly accomplish many common tasks, such as selecting text and manipulating objects. Many menu options include their keyboard shortcuts, such as ⌘N, where the symbol represents a modifier key on your keyboard. Keyboard shortcut symbols for Pages on Mac. You can use keyboard shortcuts—combinations of keys you press at the same time—to quickly accomplish many common tasks, such as selecting text and manipulating objects. Many menu options include their keyboard shortcuts, such as ⌘N, where the symbol represents a modifier key on your keyboard. Modifier key symbols are listed in the table below. In addition to other Mac keyboard shortcuts, you can also use option key in combination with other keys to insert special symbols like trademark, copyright and currencies. These alt code Mac shortcuts will work on all default text editing apps like Pages, Numbers, Keynote, Notes, TextEdit or when typing emails. Sleep, log out, and shut down shortcuts. Power button: Press to turn on your Mac or wake it from sleep. Press and hold for 1.5 seconds to put your Mac to sleep. Continue holding to. Option–Command–Power button. or Option–Command–Media Eject: Put your Mac to sleep. Control–Shift–Power button.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
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
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
- Author: admin
- Category: Category
Apr 09, 2018 I’m trying to install on a Mac mini 2014 that I have installed a SSD in. It begins to install shut down and restart. At the point it should be converting to the new file format it restarts and says unable to unmount disk for repair and fails the install. (Or words to that effect) The disk is fine and checks out fine in first aid. Repair a storage device in Disk Utility on Mac. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Disk Utility can’t detect or repair all problems that a disk may have.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, 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.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
Configure enterprise email outlook for mac cac. For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
What Are All The Mac Keyboard Symbols? Display all Mac keyboard symbols. Even if you’ve been using your Mac for a while. Create custom Mac keyboard shortcuts symbols. Switch to other languages on Mac. Sometimes, the Mac keyboard symbols you need are only available in. Type in various symbol. Keyboard shortcut symbols for Keynote on Mac You can use keyboard shortcuts—combinations of keys you press at the same time—to quickly accomplish many common tasks, such as selecting text and manipulating objects. Many menu options include their keyboard shortcuts, such as ⌘N, where the symbol represents a modifier key on your keyboard. Keyboard shortcut symbols for Pages on Mac. You can use keyboard shortcuts—combinations of keys you press at the same time—to quickly accomplish many common tasks, such as selecting text and manipulating objects. Many menu options include their keyboard shortcuts, such as ⌘N, where the symbol represents a modifier key on your keyboard. Modifier key symbols are listed in the table below. In addition to other Mac keyboard shortcuts, you can also use option key in combination with other keys to insert special symbols like trademark, copyright and currencies. These alt code Mac shortcuts will work on all default text editing apps like Pages, Numbers, Keynote, Notes, TextEdit or when typing emails. Sleep, log out, and shut down shortcuts. Power button: Press to turn on your Mac or wake it from sleep. Press and hold for 1.5 seconds to put your Mac to sleep. Continue holding to. Option–Command–Power button. or Option–Command–Media Eject: Put your Mac to sleep. Control–Shift–Power button.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
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
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.