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.
Considering this, how do I wipe my MacBook Air and start over?
- Hold down the Command and R keys on the keyboard and turn on the Mac.
- Select your language and continue.
- Choose Disk Utility and click Continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
Moreover, how do I return my Mac to factory settings?
- Restart your computer: hold the power button > select Restart when it appears.
- While the computer restarts, hold down the ‘Command’ and ‘R’ keys.
- Once you see the Apple logo appear, release the ‘Command and R keys’
- When you see a Recovery Mode menu, select Disk Utility.
Subsequently, how do I reset my Mac and create a new user? You can create a new administrator account by restarting the Setup Assistant: Restart in Recovery Mode (command-r). From the Utilities menu in the Mac OS X Utilities menu, choose Terminal. At the prompt enter “resetpassword” (without the quotes) and press Return.
Additionally, how do I erase everything on my Mac and start new?
Contents
How do I erase all data from my MacBook Air?
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
How do I delete a Mac user account?
- On your Mac, choose Apple menu > System Preferences, then click Users & Groups. Open Users & Groups preferences for me.
- Select the user or group you want to delete, then click the Remove button (looks like a minus sign) below the list of users.
- Do one of the following:
- Click Delete User.
How do I do a factory reset?
- 1 Tap Settings
- 2 Tap General Management.
- 3 Tap Reset.
- 4 Tap Factory data reset.
- 5 Tap RESET.
- 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
- 1 Tap Apps > Settings > Backup and reset.
- 2 Tap Factory data reset > Reset Device > Erase Everything.
How do I reset my Mac without losing data?
Step 1: Hold the Command + R keys until the MacBook’s utility window hasn’t opened. Step 2: Select Disk Utility and click on Continue. Step 4: Select the format as MAC OS Extended (Journaled) and click on Erase. Step 5: Wait till the MacBook is completely reset and then go back to the Disk Utility’s main window.
How do I reset the administrator on my Mac?
- Reboot into Single User Mode. Restart your computer while holding the Command and S keys, which will drop you to a terminal command prompt.
- Set the file system to be writable.
- Recreate the account.
How do I create a new user on my Mac without a password?
At the command prompt, enter rm /var/db/. applesetupdone and then press Enter or Return. With the applesetupdone file removed, the next time you restart the Mac, you are guided through the process of creating the necessary admin account. At the prompt, enter reboot and then press Enter or Return.
How do you delete an admin on a Mac?
- Locate Users & Groups on the bottom left.
- Select the padlock icon.
- Enter your password.
- Select the admin user on the left and then select the minus icon near the bottom.
- Choose an option from the list and then select Delete User.
How do you restore Internet on a Mac?
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button.
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
- The message will be replaced with a progress bar.
- Wait for the MacOS Utilities screen to appear.
How do I restore my MacBook Air to factory settings without CD?
How do I restore my MacBook Air to factory settings 2015?
- Restart your Mac and hold down the “Command” and “R” keys during startup until you Mac is in Recovery Mode.
- Select “Disk Utility” and click “Continue”
- Choose your main startup disc (named “Macintosh HD” by default) and click “Unmount”
How do I restore my MacBook Air 2010 to factory settings?
- Restart your Mac.
- Select Disk Utility and click Continue.
- Select your startup disk on the left and click the Erase tab.
- Choose Mac OS Extended (Journaled) from the Format menu, enter a name, and then click Erase.
- Select Reinstall OS X, click Continue, and then follow the instructions on your screen.