How to delete info on macbook air?

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.

Additionally, how do I delete data from my MacBook air?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

Best answer for this question, how do I delete data from my MacBook?

Also, how do I delete a Mac user account?

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.

In this regard, how do you master reset a MacBook Air? To hard reset a MacBook Air, restart the MacBook and simultaneously press the Option, Command, P, and R keys. Hold down the keys for about 20 seconds.Use Disk Utility to erase your Mac Select Macintosh HD in the sidebar of Disk Utility. Don’t see Macintosh HD? Click the Erase button in the toolbar, then enter the requested details: Name: Macintosh HD.

How do you delete everything off your MacBook Pro?

How do I do a hard reset on a MacBook Pro?

1. To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
2. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.

How do I delete user?

1. Open the Activities overview and start typing Users.
2. Click Users to open the panel.
3. Press Unlock in the top right corner and type in your password when prompted.
4. Select the user that you want to delete and press the – button, below the list of accounts on the left, to delete that user account.

Why can’t I delete a user on my Mac?

Make sure the user account you want to delete is not the only administrator account. If only one administrator account exists on the computer, you can not delete it, you can either change one of the other accounts to an administrator account or create a new administrator account then delete the old one.

Why can’t I delete admin account on Mac?

Open the Users & Groups pane of System Preferences, unlock it, select that account, and push the – button. If you’re using Fast User Switching, you need to log out of the account you want to delete.

How do I factory reset my MacBook Air 2021?

How do I reset my Mac without a password?

First you’ll need to turn off your Mac. Then press the power button and immediately hold down the Control and R keys until you see the Apple logo or spinning globe icon. Release the keys and shortly afterwards you should see the macOS Utilities window appear.

How do I manually restart my MacBook?

1. Press the power button (or press Control+Eject) and, when a dialog box appears, click the Restart button.
2. Choose the Apple key and then click Restart.
3. Press Control+Command+Eject (or Control+Command+Power button).

What happens if you delete Macintosh HD?

You won’t lose your own files, or apps that you might have installed. This reinstall just copies a fresh set of your operating system files. Then, restarts, finishes the install with those downloaded files. The install process might take more than 30 minutes, but you should boot back into your hard drive, no harm done.

How do you make sure your Mac is backed up?

Make sure your Mac Pro is on the same Wi-Fi network as your external storage device, or connect the storage device to your Mac Pro. Open System Preferences, click Time Machine, then select Back Up Automatically. Select the drive you want to use for backup, and you’re all set.

How do you completely wipe a hard drive?

1. Step 1: Back up your hard-drive data.
2. Step 2: Don’t just delete files from your computer.
3. Step 3: Use a program to wipe your drive.
4. Step 4: Physically wipe your hard drive.
5. Step 5: Do a fresh installation of the operating system.