How to erase and reset macbook air 2011?

Likewise, how do I wipe my MacBook Air and start over? 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.

Beside above, how do I completely wipe 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.

Quick Answer, how do I factory reset my MacBook Pro 2011? To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!

Subsequently, how do I completely reset my MacBook?

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 you restore Internet on a Mac?

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

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

1. Set the MacBook Pro to restart.
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 you clear everything off a Mac?

How do I wipe my hard drive on my MacBook Air 2011?

1. Hold down the Command and R keys on the keyboard and turn on the Mac.
2. Select your language and continue.
3. Choose Disk Utility and click Continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

How do I reset my MacBook Pro 2011 without password?

1. Restart your computer: hold the power button > select Restart when it appears.
2. While the computer restarts, hold down the ‘Command’ and ‘R’ keys.
3. Once you see the Apple logo appear, release the ‘Command and R keys’
4. When you see a Recovery Mode menu, select Disk Utility.

How do I do a factory reset?

1. 1 Tap Settings
2. 2 Tap General Management.
3. 3 Tap Reset.
4. 4 Tap Factory data reset.
5. 5 Tap RESET.
6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
7. 1 Tap Apps > Settings > Backup and reset.
8. 2 Tap Factory data reset > Reset Device > Erase Everything.

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.

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 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.

How long does it take to delete a user account on Mac?

In my case it indicated a one pass random erase would take about 9 hours, and a one pass zero fill erase would take about 1 hour. One step which should be added to this list is to remove the incomplete DMG backup file of the user’s account, created by the interrupted task.

Will Internet Recovery wipe my Mac?

No, doing an Internet Recovery will not erase your hard drive (unless you explicitly choose do to that using Disk Utility ). It will only reinstall the OS for you.