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What happens if I factory reset my MacBook air?

Author

David Richardson

Updated on March 04, 2026

What happens if I factory reset my MacBook air?

Resetting a Mac to factory settings gets rid of all the data stored on that machine, so we recommend that you make a backup of the data first. This can be done very simply using Apple's Time Machine software - here's how to back up using Time Machine.

Similarly one may ask, how do I restore my MacBook Air to factory settings?

How to Factory Reset a Mac

  1. Restart Your Mac. First, restart your computer.
  2. Open in Recovery Mode. Once the computer turns off, hold Command + R until the Apple logo appears.
  3. Erase Your Data.
  4. Reinstall MacOS.
  5. Restore From Backup.
  6. What's New in macOS Big Sur.

Also, does resetting your Mac delete everything? Factory reset

You need to put your MacBook ($850 at Best Buy) into recovery mode in order to erase all of your data and reinstall MacOS.

Simply so, what will happen if I reset my MacBook air?

Resetting a Mac to factory settings gets rid of all the data stored on that machine, so you may want to make a backup of the data first. This can be done very simply using the Time Machine software Apple provides - here's how to back up using Time Machine and how to move data to a new Mac.

Will resetting Mac to factory settings get rid of viruses?

If your PC, Mac, iPhone or Android smartphone becomes infected by a virus, a factory reset is one way of potentially removing it. However, a factory reset should always be approached with caution. You will lose all your data. It does remove viruses and malware, but not in 100% of cases.

How do I restore my MacBook Air 2011 to factory settings?

If you're selling or giving away your Mac
  1. Turn on or restart your MacBook and hold down the Option+Command (?)+ R keys.
  2. When you see the Apple logo, release.
  3. Once you see the Utilities window, the startup is completed.
  4. Choose Disk Utility from the Recovery Menu options.
  5. Locate your startup drive(s) from the sidebar.

How do I restore my MacBook Air to factory settings without CD?

How to Reset a MacBook Pro to Factory Settings Without a Disc
  1. Set the MacBook Pro to restart. Hold down the “Command” and “R” keys when the gray screen appears during the boot process.
  2. Select “Disk Utility” from the next screen and click “Continue.” Choose your hard drive in the list and click “Erase.”
  3. Click the “Mac OS Extended (Journaled)” option in the new dialog.

How do I restore my MacBook Air to factory settings 2015?

3.Restore Mac Back To Factory
  1. Restart your Mac and hold down the “Command” and “R” keys during startup until you Mac is in Recovery Mode.
  2. Select “Disk Utility” and click “Continue”
  3. Choose your main startup disc (named “Macintosh HD” by default) and click “Unmount”

How do I wipe my Mac and reinstall?

How to reinstall macOS via Recovery
  1. Start up your Mac while holding down Command+R until you hear the startup chime and see either a spinning globe or Apple logo.
  2. A macOS Utilities window will open, on which you will see the options to Restore From Time Machine Backup, Reinstall macOS, Get Help Online and Disk Utility.

How can I clean up my Mac?

Optimize the inside of your Mac with a clean-up
  1. Step One: Update your software.
  2. Step Two: Tidy up your start up.
  3. Step Three: Clean out unused apps.
  4. Step Four: Clean out the downloads folder.
  5. Step Five: Tidy up your storage disk.
  6. Step Six: Clean out the cache.
  7. Step 7: Remove resource-hungry programs.
  8. Step 8: Take out the trash.

What is a PRAM reset?

Stands for "Parameter Random Access Memory," and is pronounced "P-ram." PRAM is a type of memory found in Macintosh computers that stores system settings. Once your hear the startup chime a second time, the PRAM has been reset and you can release the keys.

How do I shutdown my MacBook air?

You have three ways to shut down your Mac:
  1. Choose the Apple key→Shut Down. A dialog box appears, asking whether you're sure you want to shut down.
  2. Press Control+Eject (or press the power button). When a dialog box appears, click the Shut Down button.
  3. Press and hold the power button to force your Mac to shut down.

How do you hard reset a MacBook pro?

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.

How do I delete a Mac user account?

Delete a user or group on Mac
  1. On your Mac, choose Apple menu > System Preferences, then click Users & Groups. Open Users & Groups preferences for me.
  2. Select the user or group you want to delete, then click the Remove button (looks like a minus sign) below the list of users.
  3. Do one of the following:
  4. Click Delete User.

How do I factory reset my MacBook without password?

Use Recovery Mode to reset your password

With your Mac turned off, press and hold the Command and R keys on your keyboard, then press the power button. Hold in Command+R until you see a progress bar show up below the Apple logo.

How can I detect a virus on my Mac?

A good start to scan your Mac for viruses is to see whether you have applications installed that you don't recognize:
  1. Go to the Applications folder via Go > Applications in Finder or using the shortcut Shift + Command + A .
  2. Scroll through the list and delete any unknown applications.
  3. Then empty the trash.

Does factory reset speed up Mac?

It depends on just howany tools you have installed. Mac OS X which is mostly used to open browser and email, will not become faster once it has downloaded all your email again and so on. You are much better off by deleting utilities that you run on startup.

How do I check my Mac for malware?

To make sure your Mac malware database is always up to date you'll want to verify that your Mac always automatically installs security updates and related system data files. To do this: Open System Preferences. Open the App Store preference.

Can spyware survive a factory reset?

Reset your device.

If you are very concerned and want to ensure your phone is safe from spyware, back up your data (photos, contacts, etc.) and then use the”Factory Reset” function of the phone to clear all apps and settings. Spyware like this will not survive a reset.

What is the best malware removal for Mac?

Compare SpecsThe Best Mac Antivirus Protection for 2020
Our PickRating
Bitdefender Antivirus for MacEditors' Choice 4.5 Review
Kaspersky Internet Security for Mac $23.99 at KasperskyEditors' Choice 4.5 Review
Norton 360 Deluxe (for Mac)Editors' Choice 4.5 Review
Webroot SecureAnywhere Antivirus (for Mac)4.0 Review

Does a factory reset delete everything?

Factory Reset does NOT delete all data

When you factory reset your Android phone, even though your phone system becomes factory new, but some of the old Personal information is not deleted. But all the data is present in your phone memory and can be easily recovered using a free data-recovery tool such as FKT Imager.

Will a factory reset speed up my laptop?

You can factory reset your Windows PC in a few different ways. Naturally, this is going to help speed up your system because it'll remove everything you've ever stored or installed on the computer since you got it.

How can I get rid of a virus on my Mac?

To remove malware from Safari on your Mac, simply follow these simple steps:
  1. With Safari open, select Preferences from the Safari drop-down menu.
  2. Select the Extensions tab and look for any browser extensions that seem suspicious.
  3. Select the extensions that you'd like to get rid of, then click Uninstall.

Does System Restore remove viruses?

For the most part, yes. Most viruses are just in the OS and a system restore can remove them. At one point, you got the virus. If you System Restore to a system restore point before you got the virus, all new programs and files will be deleted, including that virus.

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What happens if I factory reset my MacBook air?