VolumesMacintosh HDprivatevardb. Apple. Setup. Done. This will create the file on Macintosh HD that tells the computer it has completed the setup so youre able to skip the process and login with the root account we just enabled. How to Fix iTunes When Its Not Syncing with iPhone, iPad, or iPod Touch. Close Terminal and reboot the computer into the Macintosh HD. You should be greeted by the login screen with an option that says Other. Click Other, enter root as the username and the password you chose to login. Proceed with Software Updates and any optional software youd like to install, making sure to install for All Users if prompted. Also keep in mind that any preference changes you make will only apply to the root user, so theres no sense in wasting any time customizing the look, feel and general operation of the computer. After all software is installed, open up Terminal once more. Enter the following code. Apple. Setup. Done. This will remove the file we originally created and re enable the setup assistant to help create the newfirst user on the Mac. Next, open up Directory Utility. This can be found in Users Groups in System Preferences. Your favorite technology company, Google, is working on an upcoming feature that could put the kibosh on autoplaying videos for good. Soon youll be able to silence. Click Login Options, then click Join. Network Account Server. You should then see the option Open Directory Utility. Once in Directory Utility, click Edit in the menubar and then select Disable root user. As a note, this can be done while logged in as root. Close Directory Utility and restart the computer, booting back into to your install media or Recovery Partition. Open up Terminal one last time and enter. Once the Password Reset utility has appeared, click the root user once more. Instead of changing the password, however, simply click the Reset button to reset Home Folder ACLs. Reboot your Mac, confirm you see the Setup Assistant and youre ready to move onto restoring your backup or selling your computer I havent tested this one.