In case you are promoting your MacBook or Mac, buying and selling it in, or simply passing it on to mates or household – you'll be clever to wipe the Mac and restore it to manufacturing unit settings first. That is partly in order that your knowledge stays secure, however it should additionally keep away from any points at a later date that would come about when you don’t disconnect that Mac from numerous companies and software program you would possibly use. It additionally means the brand new person can restart the Mac as if it was model new.
Simply keep in mind that if somebody goes to be utilizing the Mac after you, eradicating private info alone isn’t sufficient – you additionally want to verify there’s a working model of macOS put in afterwards. Learn our information to promoting a Mac.
Another excuse why you would possibly wish to wipe your Mac is to carry out a clear set up of macOS – which could be a good method to repair points together with your Mac if it’s beginning to behave oddly or you might be frightened you might need a virus. Wiping a defective Mac will let you set it up like a brand new Mac – which can hopefully repair any software-related points you might be having.
Comply with our information to do the next:
- Clone or again up your Mac
- Erase all of your knowledge out of your Mac
- Restore your Mac to its manufacturing unit settings
- Reinstall macOS
First a bit of fine information: If in case you have macOS Monterey on an M1, M1 Professional, M1 Max, or a Mac with a T2 chip, the method for erasing the content material in your Mac has simply acquired a lot simpler due to a brand new choice in System Preferences. We’ll run by way of the brand new steps under.
Step 1: Again up your Mac
Earlier than you do something it is best to again up or clone your Mac. It is because – as you'll count on – resetting a Mac to manufacturing unit settings eliminates all the info saved on that machine.
Don’t fall in to the entice we fell into: As a result of we use iCloud to sync all information throughout all our Apple units we assumed that we may simply get well every thing we wanted from the cloud – which was true to a sure extent, however it wasn’t till after we wiped the Mac that we realised that the info for one non-Apple app we used wasn’t within the cloud. In lately of working predominantly within the cloud it's a straightforward mistake to make! Sadly you'll be able to’t but again up every thing in your Mac to iCloud.
Fortunately backing up your Mac is straightforward to do – so long as you will have a exterior laborious drive to make use of. This may be executed very merely utilizing Apple’s Time Machine software program – right here’s the best way to again up utilizing Time Machine. One of the best factor about backing up with Time Machine is it makes it very easy to maneuver your knowledge to a brand new Mac afterwards.
If you happen to don’t wish to use Apple’s free Time Machine software program, or you can also make a clone of the entire laborious drive utilizing a program like Carbon Copy Cloner or SuperDuper (each can be found as free trials).
This cloned drive will be re-cloned again to the primary drive when you resolve to revive your Mac, or it may be used to entry all the unique information and switch them and all of your settings to your new laptop.
We now have a whole information that explains the best way to again up a Mac in addition to this information to the perfect Mac Backup Software program.
Step 2: Put together and erase your Mac
You understand you want to erase the Mac earlier than you cross it on, however earlier than you delete every thing there’s some extra admin to do first.
If in case you have a M1 Mac, or an Intel Mac with a T2 chip inside, and you might be operating macOS Monterey, this course of is a bit of simpler with lots of the steps taken care of by a brand new choice in System Preferences. In case your Mac is older then the steps you want to take are a bit of extra sophisticated, we’ll run although the steps for older Macs under.
M1 Macs and Intel Mac with T2 chip operating macOS Monterey
If in case you have a M1 Mac, or an Intel Mac with a T2 chip inside, and you might be operating macOS Monterey this course of is a bit of simpler with lots of the steps taken care of by a brand new choice in System Preferences.
These Intel Macs have the T2 safety chip:
- MacBook Air from 2018
- MacBook Professional from 2018
- Mac mini from 2018
- iMac 27-inch from 2020
- iMac Professional
- Mac Professional from 2019
Find out how to erase an M1 Mac, or a Mac with T2 chip
A brand new choice arrived in System Preferences in macOS Monterey that takes care of a number of the sophisticated steps concerned in wiping your Mac – so long as it's an M1 Mac or one with a T2 chip, as detailed above.
If you happen to click on on the brand new Erase All Content material and Settings choice then every thing will likely be taken care of, together with elimination of your saved fingerprints for Contact ID, your Apple ID, something within the Pockets app, and Discover My. Activation Lock will even be eliminated and Bluetooth units will likely be unpaired. It additionally removes all of your knowledge and user-installed purposes.
- Open System Preferences.
- Click on on System Preferences within the menu bar on the prime of your display screen.
- Click on on Erase All Content material and Settings.
- Enter your password.
- You’ll be reminded to do a backup with Time Machine earlier than you start deletion – however you'll be able to skip that step.
- A window will present you what will likely be deleted, together with Apple ID, Contact ID, equipment, and Discover My settings.
- Lastly you have to to log off of your Mac and all associated companies utilizing your Apple ID.
- Earlier than your Mac is erased you obtain a ultimate warning, so when you have second ideas not less than you'll be able to cease at this level!
- Having clicked the second Erase All Content material & Settings your Mac will restart. Ultimately you will note a black display screen whereas it restarts.
- As soon as your Mac restarts you'll be able to undergo the steps to set it up as new, or you'll be able to go away it at this stage for the following proprietor to arrange. Simply flip the Mac off first.
Find out how to put together and erase an older Mac
Sadly in case your Mac is older than these above, or doesn’t have Monterey put in (if the latter is the case then you'll in all probability be higher off updating the software program first as it should make issues less complicated for you), you have to to run by way of the steps under:
1. Deauthorise your accounts
It's good to disconnect the Mac from any companies you might be linked to.
Meaning signing out of issues like Apple Music/iTunes, iCloud, Messages, and Discover My.
For instance, within the Music app (or iTunes in older variations of macOS) you have to to deauthorise your iTunes Retailer account and log off. That is essential as a result of you'll be able to solely use as much as 5 Macs to play music and films which might be locked to your iTunes/Music account. The strategy of deauthorising your music companies varies relying on which model you’ve acquired.
- Open the Music or iTunes app and click on on Account, then log off.
- Open the App Retailer app, click on on Retailer, then log off.
- Click on on System Preferences > Apple ID. Then click on on Overview and Signal Out. When it asks if you wish to make a copy of the iCloud knowledge simply deselect every thing (after all ensure you again that info up someplace). Then click on Proceed and look ahead to it to signal out (which can take some time). You’ll ultimately be requested if you wish to obtain photographs to the Mac (you don’t until you wish to make a again up). Lastly enter your Apple ID Password to verify, and enter the password for the Mac.
2. Unpair Bluetooth units
That is particularly essential in case you are passing your Mac on to somebody in your house or workplace as any Bluetooth gadget which will have as soon as been paired together with your previous Mac might connect with the previous one once more – which may very well be irritating if you wish to use it together with your new Mac. It may additionally imply your new keyboard or mouse received’t work.
3. Flip off FileVault (when you use it)
FileVault encryption could make it troublesome for unauthorized individuals to entry the info in your Mac. In case you are utilizing FileVault to encrypt the info in your Mac earlier than you delete your knowledge and put together the Mac on the market it is best to flip it off – this appears illogical as you wish to shield your knowledge, however you may be eradicating the info.
- To show it of go to System Preferences
- Click on Safety & Privateness.
- Click on on FIleVault.
- Click on on the lock and enter your identify and password.
- Click on Flip Off FileVault.
4. Reset NVRAM
One other method to be completely positive that none of your private settings stay on the Mac is to reset the NVRAM.
The NVRAM is a small quantity of reminiscence that your Mac makes use of to retailer sure settings. Resetting it should clear your person settings and restore any security measures you might need adjusted.
Right here’s the best way to reset the NVRAM:
- Maintain down Choice/Alt, Command, P and R.
- Wait 20 seconds and launch the keys.
Be aware, you'll be able to’t reset the NVRAM on an M1 Mac in the identical manner. You possibly can change the settings however you'll be able to’t reset it. Nevertheless, you might not have to as a result of it appears to be the case that the M1 Chip checks the NVRAM when the pc is began from shutdown (i.e. not after a standard reboot). If one thing is improper with the reminiscence it's reset mechanically. We describe the best way to reset NVRAM on this article: Find out how to reset NVRAM on an M1 or Intel Mac. In fact, when you have an M1 Mac you received’t want to do that step anyway.
Read more Why won’t my apps open on my mac?
5. Restart your Mac in Restoration
Now you will have backed every thing up, deauthorised your accounts and unpaired units, you might be able to begin to erase every thing on the Mac. To take action you want to enter Restoration mode. It will allow you to wipe the Mac.
Find out how to enter Restoration on an Intel Mac
- Click on the Apple emblem on the prime left of the display screen and choose Restart.
- Instantly maintain down the Command and R keys till you see an Apple emblem or spinning globe. (It's possible you'll be higher off utilizing a distinct key mixture relying on the age of your Mac, and which macOS you need put in or was put in on the Mac while you purchased it – we've got a whole information to beginning a Mac in Restoration Mode right here). For instance, Apple recommends that “when you’re promoting or giving freely a Mac that's utilizing OS X El Capitan or earlier, use Choice-Command-R to be sure that the set up isn’t related together with your Apple ID”.
- Count on it to take some time for the Mac to begin up on this mode.
- You might even see a display screen asking you to decide on a language.
- The following display screen you’ll see is the Restoration Mode Utilities window. Since macOS Sierra and later it appears one thing like this:
If you happen to’re having issues as a result of Command + R isn’t doing the trick, learn this: Find out how to reinstall macOS if Restoration received’t work.
Be aware: The method by which you entry Restoration on a M1 Mac is totally different to the method on an older Intel-powered Mac, however, as a result of when you have an M1 Mac you'll in all probability have used the Erase All Settings this shouldn’t be essential for you. If you happen to do wish to enter Restoration on an M1 Mac, as a substitute of urgent the Command and R buttons while you restart your Mac you have to to do the next:
- Flip off the pc by clicking on the Apple emblem and selecting Shut Down…
- Now press and maintain the ability button to show the Mac on once more. Maintain holding the ability button!
- When the Apple emblem seems you’ll additionally see textual content informing you that when you proceed holding it is possible for you to to entry startup choices.
- Proceed to carry the button down (in all probability for round 5 extra seconds) and the textual content ought to change to Loading Startup Choices.
- Ultimately it is possible for you to to pick out Choices > Proceed.
- It will open up Restoration.
We additionally element the best way to entry Restoration on an M1 Mac on this article: Find out how to do every thing on an M1 Mac.
6. Erase and reformat your Mac
Now you will have entered Restoration you'll be able to erase your Mac.
Once more, the directions are a bit of totally different relying on the model of macOS you might be utilizing and whether or not your Mac is Intel or M1.
We’ll run by way of the strategy in Monterey, Large Sur and Catalina, earlier than shifting onto Mojave and former variations of macOS under that.
Find out how to delete your Mac in Large Sur/Monterey on an Intel Mac
- Now that you're in Restoration, as per the directions above, you want to choose Disk Utility from the checklist.
- As soon as in Disk Utility choose Macintosh HD (or no matter you will have referred to as your ‘laborious drive’).
- There are numerous choices alongside the highest: click on on Erase.
- It's best to see the identify of your drive and the format ought to be APFS. Beneath it is best to see an choice to Delete Quantity Group (it will make sure you delete each the Macintosh HD and Macintosh HD Knowledge.)
- After you have deleted the Macintosh HD you'll be able to then click on on another drives and volumes and click on the – to delete the amount.
To ensure you delete every thing you have to to decide on Erase Quantity Group, when you don’t see this selection strive the directions under.
Find out how to delete your Mac in Catalina
When Apple launched macOS Catalina in 2019 it added a brand new read-only quantity the place the working system lives. This quantity is Macintosh HD (yours might have a distinct identify). Alongside it additionally, you will have a Macintosh HD – Knowledge quantity. That is the place your knowledge resides.
The rationale Apple separated the 2 volumes in Catalina is to make sure that crucial working system knowledge can’t be overwritten. Due to this further quantity the method is a bit of totally different to the way it works on older Mac.
- As per the steps above begin up your Mac in Restoration.
- As soon as Restoration begins up select Disk Utility.
- It's best to see two disks – Macintosh HD and Macintosh HD – knowledge (proven under – sorry about picture high quality!) This knowledge drive is the place your knowledge is saved individually to the macOS set up. (It’s potential your drive is named one thing else, like Dwelling HD for instance).
- Click on on this Macintosh HD – Knowledge drive to pick out it.
- Both click on on the – button or go to the menu and select Edit > Delete APFS quantity.
- You will notice a message warning you that it will completely erase your knowledge. Click on on Delete.
- Wait whereas the amount is deleted.
- Now you want to return to Disk Utility to delete the Macintosh HD. It's important to do each steps as you received’t simply be capable to reinstall macOS excessive of macOS. And you have to to reinstall the macOS to be able to recreate the Macintosh HD-Knowledge quantity. Click on on Macintosh HD to pick out it.
- We suggest that you just click on Unmount. Initially after we tried to delete Macintosh HD we noticed an error message that acknowledged: Erase course of has failed as a result of quantity Macintosh HD on disk 2s5 couldn’t be unmounted as a result of it's in use by course of 793 (kextcache). Unmounting first mounted this drawback.
- With Macintosh HD nonetheless chosen click on on Erase.
- Enter a reputation you wish to give the drive after getting reformatted it, resembling Macintosh HD.
- Select the format. That is will likely be APFS in case you are utilizing Catalina – older OSs might need had the choice of Mac OS Prolonged (Journaled).
- Click on Erase and enter your Apple ID if required. Wait.
- Now stop Disk Utility to return to the MacOS Utilities display screen.
Find out how to delete your Mac in Mojave or earlier
The method for deleting and reformatting your Mac is barely simpler in macOS Mojave or earlier as there isn’t the second Knowledge quantity to delete first.
As above, begin up in Restoration.
- Choose Disk Utility from the choices, and click on Proceed.
- Click on in your fundamental laborious drive, usually referred to as Macintosh HD, within the sidebar on the left. You’re in search of the disk identify, not the amount identify indented beneath it if that seems.
- To wipe your laborious drive, click on the Erase button, then click on Erase. Be aware that this completely erases all knowledge on the laborious drive so don’t do that until you’ve cloned the drive or are completely satisfied to by no means entry something on that drive once more.
- When it’s completed, exit this system by going to the highest menu and choosing Disk Utility > Stop Disk Utility.
Step 3: Reinstall macOS
The following step entails reinstalling macOS – you'll be able to’t simply promote your Mac having erased the contents – when you do the brand new person will likely be confronted with a flashing query mark after they begin up the Mac as a result of there will likely be no working system put in. It's good to reinstall macOS earlier than you'll be able to promote it on.
If in case you have an M1 Mac, or a Mac with the T2 chip, this will likely be dealt with by the Erase All Contents and Settings choice in System Preferences, as detailed above. But when that isn’t an choice for you then the under information ought to assist:
Find out how to reinstall macOS
Whether or not you might be reselling the Mac, or simply planning to proceed to make use of the Mac and simply needed to do a clear set up it would be best to set up a model of macOS.
It's best to nonetheless be in macOS Utilities as per the steps above.
- Select Reinstall macOS from Utilities and observe the directions that seem to reinstall macOS.
- Your Mac will begin to obtain and set up which ever model of macOS your Mac was operating – alternatively, when you needed to put in an older model of macOS we've got extra info under.
- Ultimately after the longest-ever 49 minutes or so your Mac will restart. However the wait isn’t over. It'll nonetheless take some time when you begin up and watch the white bar. Ours stated 11 minutes remaining round that point, however it took lots longer than that. Simply go away your Mac to get on with it and ignore any time remaining indicators.
- Lastly you will note the Welcome display screen. In case you are promoting or passing in your Mac you'll be able to go away it at this stage as a result of the brand new person might want to enter their particulars. If you wish to proceed to make use of the Mac then observe the steps to set it up.
Find out how to set up an older model or downgrade macOS
The strategy above will work if you wish to set up the newest model of macOS put in on the Mac. It received’t improve you to the newest model when you aren’t already operating it.
There are different choices if you wish to set up a distinct model of the macOS.
As an alternative of urgent Command + R at begin up you may press Shift + Choice/Alt + Command R (in case you are operating Sierra 10.12.Four of later) to put in the model of macOS that got here together with your Mac, or the one closest to it that's nonetheless out there. (Command + R received’t work on an M1 Mac).
Alternatively you may make a bootable drive containing the model of macOS that you just wish to run and set up it in your Mac utilizing that. Learn how to try this right here: Find out how to make a bootable macOS installer on an exterior drive.
If you want to set up an older model of the Mac working system and are questioning how you are able to do that when you haven’t acquired the unique discs, learn this: Find out how to set up previous variations of macOS or Mac OS X.
We now have one other article that goes into extra element on the best way to set up an older model of macOS utilizing Restoration mode.