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1. #How clean install mac os sierra how to
2. #How clean install mac os sierra update
3. #How clean install mac os sierra manual
4. #How clean install mac os sierra upgrade
5. #How clean install mac os sierra mac

Select Disk Utility from the list, then click Continue.

#How clean install mac os sierra mac

Select the bootable macOS Sierra installer drive, then press the Return key to boot from the installer drive.Ħ) The Mac boots into macOS Utilities (see image below), listing four options. As soon as you hear the boot chime (that pleasant musical tone you hear when you turn on your Mac), press and hold the Option key on your keyboard.ĥ) Continue holding down the Option key until you see icons for your Mac boot drive and the bootable macOS Sierra installer drive.

Personally, I think it’s a good idea to have the installer drive as a safety net if you need it.Ĥ) Attach the bootable macOS Sierra installer drive you just made to your Mac, and reboot the Mac. For more information about the Recovery Partition, check out this Rocket Yard Guide. If you do decide to use the Recovery Partition, you can boot into the macOS Utilities using it rather than using the bootable macOS Sierra installer drive. Alternatively, you can use the Recovery Partition on your Mac. This can be done with a fast flash drive or an external disk drive.

#How clean install mac os sierra how to

Last month, the Rocket Yard showed you how to do this with a free utility called DiskMaker X. Remember, any data that is not backed up will be lost during the erasure of your storage.ģ) Create a bootable macOS Sierra installer drive.

Anything that lets you rebuild your Mac without bringing over old (possibly corrupted) settings files should be backed up. What we’re talking about here is grabbing the documents, files, photos, music, and general data on your Mac and storing them on another external drive.

#How clean install mac os sierra manual

( Find out more about Time Machine here). Note that you will not use this Time Machine backup to restore your Mac – it’s just made as a last resort should all else fail.Ģ) Make a full manual file backup. To see what the current backup status is, launch System Preferences, then click on the Time Machine icon. You might want to print out these instructions and then check off the steps as you go through the process, or have an iPhone or iPad pointed to this article while you’re doing the clean install.ġ) Make sure that your Mac has completed a full backup to Time Machine and has been making its incremental backup updates all along. As long as you follow the instructions below carefully and have full and complete backups available, you should get through the process with no issues. This is time-consuming and can cause you a lot of stress and anxiety if you’re not used to doing things like erasing your drive.

We suggest that you look for an easier solution than doing a clean install of macOS Sierra, but if all else fails, this will help fix many problems. Some issues people have run into include Wi-Fi dropping or being unusually slow, Macs booting to a black screen and getting stuck there, can’t shut down or reboot the Mac after upgrading, email issues, Spotlight issues, even individual apps that crash repeatedly. Most people are fortunate enough to never see these problems, but others aren’t so lucky.

#How clean install mac os sierra upgrade

Like most major operating system upgrades, the standard macOS Sierra upgrade has seen its share of odd issues. Think of it as taking a new Mac right out of the box, with no corrupted system files or any apps and data, and then installing what you need on the machine. Once that clean install of macOS Sierra is done, a previously-made backup of personal files is transferred back to the machine and apps are reinstalled.

Related: Five of the Best Hidden Features of macOS SierraĪ clean install involves erasing the boot drive in your device - a hard drive, Fusion drive, or SSD - then installing the operating system onto that boot drive. Today we’re going to look at how to do a clean install of macOS Sierra in case you’d like to try resolving problems that you’ve experienced since doing a standard installation, or if you’d like for your macOS Sierra upgrade to start with a clean machine. Sadly, that has resulted in some major issues for a handful of users.

#How clean install mac os sierra update

When most Mac owners upgrade their computers to a new operating system like macOS Sierra, the installation of the new OS is done with a standard install and update through the Mac App Store.