First, you should make sure that the Caps Lock isn’t on, because passwords are case sensitive. If you want you can delete the user account you created following this steps.So, you’re trying to use your Mac, but you can’t get past the login screen because you don’t remember your password. button.ġ3- Reboot/restart your MBA and now you can log back in with your old account. This will allow you to make changes to other user accountsġ1- On the user panel select the user account whose password you have forgotten and then click on the Change Password. This new account name must be different from the one whose password you want to recover.ħ- Continue and boot into your Mac OS X with the new account you have just created, this new user account is an Administrator and has administrative accessĨ- Now that you're logged in, go to System Preferencesġ0- Click on the Lock icon and use your newly created user name and password if asked. Follow the wizard and create a new user account. Type this in the temrinal interface:Ĥ- And then type this command exactly as you see it here:ĥ- Reboot your MBA by typing this in the terminal interface:Ħ- After you reboot, you will be see the “Welcome Wizard” startup screen.

to do this you have to type the following command in the terminal interface:ģ- Then you have to mount the root drive with write option enabled so you can apply and save any changes. Use another Mac to copy the data.ġ- You have to r estart your MBA holding down the Command+S keys, and this will take you into Single User Mode and it’s Terminal interface.Ģ- Then you have to check the filesystem. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. How to use and troubleshoot FireWire target disk modeģ. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth. The internal drive of the machine running in target mode will mount as an external drive on the other machine. Connect the two Macs with a FireWire or Thunderbolt cable. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime.

Boot into Recovery ( command-R at startup) or from a local Time Machine backup volume ( option key at startup.) Launch Disk Utility and follow the instructions in the support article linked below, under “Instructions for backing up to an external hard disk via Disk Utility.”Ģ. You need an external hard drive to hold the backup data.ġ. There are several ways to back up a Mac that is unable to fully boot. If you don't care about the data, you can skip this step. If you want to preserve the data on the boot drive, you must try to back up now, before you do anything else.

Open terminal reset mac password