AppleSetupDone file under /var/db/ (note the dot before the filename because it's hidden) and reboot.

Once it boots into single-user mode, you have to mount the hard disk in write mode, delete the.

Turn on your Mac and boot in single-user mode by pressing Apple+S.

To do so, shut down your Mac, then turn it on and immediately press and hold four keys. If you don't have an installer CD, it's still easy to reset the admin password. Sometimes these files can get corrupted, so give your Macs next owner a fresh start by resetting the NVRAM. Follow to see how to factory reset your MacBook Pro, MacBook Air. Step 2: Click the arrow next to ‘reset it using your Apple ID’. Step 1: When you are at the login screen, tap on your user account and click on the question mark in the password field. If you can’t access your MacBook, the easiest way is to reset your Apple ID. To factory reset your MacBook or iMac without losing data, you can first back up your Mac, then reset your Mac, and last recover your files from the backup. Method 2: Reset your MacBook’s password by resetting your Apple ID.

If you're using Mac OS X 10.3, navigate to Power on Mac and login with another administrator.

In El Capitan, Disk Utility looks slightly different, as you can see below. What Disk Utility looks like in Lion through Yosemite.

If you're using Mac OS X 10.4 or 10.5, navigate to Then proceed to highlight your computer's hard drive select the Erase tab, make sure OS X Extended (Journaled) is selected, then hit the Erase button.

If you're using Mac OS X 10.6, navigate to.

Turn on your Mac and boot from the install CD.

root command prompt in this case normally would display #.If you have just bought a MacBook or iMac from a garage sale or inherited one from a family member and realized that they didn't give you the admin password, or you're just forgetful, this is how you reset the password. To run these commands, first su to an account that allows them to run eg. Normally the command prompt displays $ and sudo commands may not run it won't even accept the Admin or root passwords. The sudo commands can also be run when logged in to an Admin account, after entering su or su root in Terminal. When done, you may log back into your Admin account and Disable Root User. The sudo commands should work from this account. Log out of your current account, and log into the root account via username: root Then from Edit menu -> Enable Root User, then enter some password. It can also be accessed via Menu bar: Apple -> System Preferences -> Accounts -> Login Options -> Join - > Open Directory Utility. Mine was located at /System/Library/CoreServices. If you are able to log in to an Admin account to your iMac, access Directory Utility and 'click the lock to make changes'.

You'll just get an error that password is incorrect, even if you enter your current Admin password. Sudo passwd root command will NOT work unless Root User is enabled. 'Change Root Password' is only available if Root User is enabled.

Reset macbook password without disk