How to set up a used macbook air?

1. Ensure you have admin access. At times people have purchased used Macs with a single standard account on them for use, with no password for the admin user.
2. Create a new admin user account.
3. Delete all old accounts.
4. Run general maintenance.
5. Optionally reinstall OS X.

Additionally, how do I reset my second hand MacBook air?

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.

Considering this, how do I reset a MacBook Air to a new user? 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.

Similarly, how do you change ownership of a Mac? While it is easy to change the full name associated with the account, there is no way to change an account’s user name. The only way to completely change the administrative account information is to create a new administrator account of your own and then delete the account the previous owner set up for his own use.

In this regard, how do I remove previous owner from MacBook Pro?

1. Select System Preferences from the Apple menu, click the Accounts icon, click the Lock icon, and enter your password.
2. Select Logout from the Apple menu.
3. On your new computer, triple-check that all the files for all accounts on the old machine have been transferred.

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.

How do I turn my MacBook air on?

At the right end of the keyboard is the physical Power button. Holding down this button will turn on your MacBook. Alternatively, if you’re using the 2018 MacBook Pro or 2018 MacBook Air, pressing any key on the keyboard or clicking the trackpad will turn on the computer.

What do I do if my MacBook Air won’t turn on?

1. Press and hold the power button on your Mac for at least 10 seconds, then release.
2. If you see no change on your Mac, press and release the power button normally.
3. If your Mac now turns on but doesn’t finish starting up, follow the steps for when your Mac doesn’t start up all the way.

How do I clear everything off my MacBook air?

How do you hard reset a MacBook?

How do I change the owner name on my MacBook air?

1. On your Mac, choose Apple menu > System Preferences, then click Sharing. Open Sharing preferences for me.
2. If the lock at the bottom left is locked , click it to unlock the preference pane.
3. Type a new name in the Computer Name field.

How can I get admin access to a Mac without knowing the current password?

1. Hold ⌘ + S on startup.
2. mount -uw / ( fsck -fy is not needed)
3. rm /var/db/.AppleSetupDone.
4. reboot.
5. Go through the steps of creating a new account.
6. After logging in to the new account, go to the Users & Groups preference pane.
7. Select the old account, press the Reset Password

How do u right click on a MacBook?

1. Click with thumb while making contact with two fingers. This is how your intrepid blogger initiates a right click.
2. Click with two fingers.
3. Assign the bottom-right corner.
4. Assign the bottom-left corner.
5. Click the trackpad while holding down the Control key.

How do I remove previous owner from MacBook air?

System Preferences > iCloud > de-select “Back to My Mac” and “Find my Mac”. Sign out of iCloud. Select “Delete from Mac” when it appears.

How do you control click on a Mac?

Control-click on a Mac is similar to right-click on a Windows computer—it’s how you open shortcut (or contextual) menus on a Mac. Control-click: Press and hold the Control key while you click an item. For example, Control-click an icon, a window, the toolbar, the desktop, or another item.

How do I delete administrator on MacBook Air?

1. Locate Users & Groups on the bottom left.
2. Select the padlock icon.
3. Enter your password.
4. Select the admin user on the left and then select the minus icon near the bottom.
5. Choose an option from the list and then select Delete User.

How do I get into my macbook air without a password?

Hold Command+R until you see a progress bar show up below the Apple logo. You can also get into Recovery Mode by restarting your Mac and trying to time the keyboard combo of Command+R, but in my experience, starting with your Mac turned off is the most reliable method.