Backup the Mac, Files & All: Remember that performing a clean install erases everything on the Mac. Step 4: Reinstall Mac OS X without Losing Data When you get the macOS utility window on the screen, you can just click on the “Reinstall macOS” option to proceed. Afterward, you simply need to follow this basic drill to reinstall macOS on your system.
macOS Sierra is a fantastic update arriving from Apple to make us love our Macs even more. It has plenty of new features, and also has the same easy clean install and upgrade flow as did the previous OS.
LEARN MORE: How to Clean Install the macOS High Sierra?
Note, that getting an upgrade is the easiest way of installing the new macOS. It saves all your personal files, apps and user data, while a so-called clean install of Sierra will erase all data on the startup drive and replace it with a clean copy of OS. But, if you like an idea of giving your Mac a fresh start with a new macOS and nothing else, a clean install is the right option for you.
Also, in case you’ve noticed that with time your Mac is running slower, it has unusual startup or shutdown issues and crashes, a clean install may be a good way to get back the speed and fix the problem.
First of all, make sure that your Mac is able to run MacOS Sierra.
Then, you should prepare your Mac for the installation:
Clean Install macOS Sierra on Your Mac’s Startup Drive
If you're going to perform a clean install on the startup drive, you need to backup your data, create a bootable copy of the installer, and, finally, boot from the bootable installer. So, let us begin.
Step 1: Clean up your Mac
To make sure Sierra has no troubles installing and works fine after, you need to get rid of system junk on your Mac first. You could clean it up manually, but using a cleaning app like CleanMyMac X will save you hours on that. Junk removal with CleanMyMac takes only a few minutes. Download CleanMyMac for free, launch it, click Scan, and then Clean. Now you’ve got plenty of free space and your Mac is free from system trash.
Step 2: Back up your data
Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive: all your files and documents, including music, movies, pictures, and even apps.
So, If you skip this step, you wouldn’t be able to recover your data if something goes wrong.
To backup your Mac:
Step 3: Clean Install macOS Sierra on your startup disk
1. Create a bootable flash drive with macOS Sierra.
First, make sure your USB flash drive is formatted and named as “Untitled”.
Now, your USB flash drive is ready. Optical flares after effects mac download.
Also, you can follow the instructions from an Apple article on how to create bootable installer.
2. Plug in the bootable macOS Sierra installer USB drive to your Mac.
3. Restart your Mac while holding the Option key or Cmd+R. Make sure to keep it pressed! 4. When Mac restarts, you’ll see the macOS Startup Manager with a list of bootable devices that your Mac can start up from. 5. Use the arrow keys to choose your USB drive with macOS Sierra installer. Press Enter. 6. Select Disk Utility. 7. In the window, at the top of the left bar, select your Mac’s Main Drive (it looks like a MacintoshHD). 8. Select the Erase tab located next to the First Aid button at the top. 9. Near the center of the window, select the Format drop-down list and select Mac OS X Extended (Journaled) type. 10. Click Erase (Note: this will erase all your data from your main drive!) and give the drive some time to format. 11. When it’s done, close Disk Utility and select “Install macOS” from the menu. 12. Select your main drive and install the new macOS Sierra 10.12. Wysiwyg lighting design software mac.
Follow these Sierra install instructions and enjoy your newly clean-installed macOS Sierra.
Clean Install on a Non-Startup Drive
This type of clean install doesn't require you to make a bootable copy of the macOS installer, since you can run the installer directly from your Mac’s startup drive. But you need to have another hard drive or volume that you can use for installing macOS.
So, this is the easiest way to clean install macOS 10.12. Simply use an extra drive or volume (it doesn’t have to necessarily be empty already, you just need to be fine with it being erased) and install Sierra there.
Step 1: Erase your non-startup drive
If your non-startup drive has any other Mac OS, erase it before installing Sierra. If the target drive only has personal data on it, or is already empty, you can skip the erase process.
To erase the non-startup drive, use a Mac's Drive Using Disk Utility (OS X El Capitan or later) https://turkeytree852.weebly.com/java-runtime-environment-7-mac-download.html.
After the non-startup drive is erased, you can start the install process.
Fresh Install Mac Os CatalinaStep 2: Download the macOS Sierra Installer from the Mac App Store
When the macOS download completes, it will automatically launch the installer. Quit the macOS Sierra Installer app without performing the installation. You'll find the macOS Sierra Installer in the /Applications folder.
Step 3: Start the Installation of macOS Sierra on the Non-startup drive
Enjoy your fresh, clean-installed macOS Sierra. Difference between garageband ios and mac. How to download zip file mac.
These might also interest you:How To Install Mac Os
Apple on Wednesday released OS X El Capitan as a free upgrade and as a result, lots of Mac users are busy upgrading their desktop and notebook computers.
As with OS X Lion, OS X Mountain Lion, OS X Mavericks and OS X Yosemite, Apple makes it easy for users to install the upgrade by downloading El Capitan from the App Store and running the installer.
See also: Apple OS X El Capitan review: A more refined Mac experience
For most users, this is the best way to upgrade because it means your existing programs and data remain where they are. Sometimes, however, you don't want to do a regular OS upgrade. Maybe you want to start fresh or maybe you need to install El Capitan on a machine that doesn't already have OS X installed. For those users, the best bet is to do a clean installation, erasing the hard disk and installing from scratch.
Mac os mojave 10.4 download. If you want to do a clean install of OS X El Capitan on your Mac — or on a new hard drive — you can do it, it just takes a bit of work.
If you've gone through the clean install processes in the last few years, these instructions will look familiar. (That's because they are almost the same as past years, albeit with changes made for the proper OS name). With a little time, it's relatively easy to create a bootable copy of OS X El Capitan that you can run from a USB stick or other drive.
Note: A clean install will erase all of the contents on your disk drive. Make sure to back up your important files, settings and apps before proceeding.
After the Install
https://usarenew625.weebly.com/blog/download-new-iphoto-for-mac-free. After installing OS X El Capitan, you can start restoring your programs and settings using either a Time Machine backup or Migration Assistant.
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December 2020
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