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#Disk clean pro for mac 2017 how to
#Disk clean pro for mac 2017 mac os
#Disk clean pro for mac 2017 install
#Disk clean pro for mac 2017 full
#Disk clean pro for mac 2017 software

If it’s Catalina you want you can get that Here’s a link toīig Sur on the Mac App Store. If, on the other hand, you want to reinstall Big Sur and are already running Big Sur the best way to access the installer for Big Sur is via the Mac App Store.

#Disk clean pro for mac 2017 install

If you are currently running Big Sur and want to do a clean install of macOS Monterey (once it arrives) then you can download the installation package via System Preferences.

Once your Mac restarts you can go through the steps to set it up as new, or you can leave it at this stage for the next owner to set up.

Eventually you will see a black screen while it restarts.

Having clicked the second Erase All Content & Settings your Mac will restart.

Before your Mac is erased you receive a final warning, so if you have second thoughts at least you can stop at this point!.

Finally you will need to log out of your Mac and all related services using your Apple ID.

A window will show you what will be deleted, including Apple ID, Touch ID, accessories, and Find My settings.

(You’ll be reminded to do a backup with Time Machine before you begin deletion – but you can skip that step.).

Click on Erase All Content and Settings.

Click on System Preferences in the menu bar at the top of your screen.

If you have the Erase All Content and Settings option in Monterey then you can easily wipe your system, remove all your data and user-installed applications and start from scratch. These Intel Macs have the T2 security chip:

#Disk clean pro for mac 2017 full

Full instructions here:Īs well as macOS Monterey, you need to have a M1 Mac, or an Intel Mac with a T2 chip inside. We recommend that you make a back up, just in case something goes wrong.

#Disk clean pro for mac 2017 how to

How to download and install old versions of OS X on a Mac. Speaking of which, if an old version is what you’re looking for, it may be worth taking a look at another article where we focus on that entirely: There is also the even trickier business of installing a clean copy of an older version of macOS on your Mac (Big Sur, Catalina, High Sierra, Sierra, El Capitan, Mojave, Yosemite or an even old version of OS X). Not only are there three different methods (which we’ll run through below) the methods depend on the version of macOS that you are running.

Use the new Erase All Content and Settings option setting in System Preferences (available if you are running macOS Monterey on a M1 Mac or an Intel Mac with a T2 chip).

Use macOS Recovery to reinstall macOS the web.

Make a copy of the macOS installer on a USB stick, reformat your drive and then install the macOS on to your Mac from the installer.

Should this happen you will have to reinstall the system.Īs we explained above, there is more than one way to wipe your Mac and reinstall macOS: Should a problem occur with macOS during a restart, perhaps because a storage space on the SSD is defective and thus a system component is no longer intact, this will be recognised by the startup process since the seal will now be invalid.

#Disk clean pro for mac 2017 software

So macOS itself cannot be changed by any software that you install as a user. And snapshots cannot be changed, even by the system itself. For further security, these Macs also do not start directly from the system volume, but from a snapshot of the system. This seal is stored either in the T2 chip of the newer Intel Macs or in the Secure Enclave of the Apple M1.Įach component of the system is signed in hierarchical order, and any change to a component would also invalidate the seal that represents the top level. Since macOS Big Sur, macOS has its home on its own volume, which is both read-only and cryptographically signed and sealed (referred to as a Sealed System Volume).

Find out more about reinstalling m acOS.In the past it was helpful to reinstall the system if you wanted to correct some Mac problems, but today this solution doesn’t make as much sense.

If you want your Mac to start up again from the volume you've just erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions.

When you've finished, close Disk Utility to return to the utilities window.

Optional: if you used Disk Utility previously to add internal volumes other than Macintosh HD, you can erase them individually using the same process.

If you can't see this button, click Erase instead.

#Disk clean pro for mac 2017 mac os

Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility.

Click the Erase button in the toolbar, then enter the requested details:.

Select Macintosh HD in the sidebar of Disk Utility.

From the utilities window, select Disk Utility and click Continue.

If asked, select a user you know the password for and enter their administrator password.

Start up from macOS Recovery: turn on your Mac, then press and hold Command (⌘) and R immediately until you see an Apple logo or other image.