Keep in mind this requires some command-line trickery and will probably require you to write down or take a picture of the following. Reset your admin password using Single-user mode.Īll else failing, you can boot your computer into single-user mode to reset your admin password. After saving, go to the Apple Menu and click Restart.This will launch the reset utility, which allows you to select a drive, a user, then a new password and password hint for your admin user.At the Terminal prompt, type ‘ resetpassword‘ then hit enter.Click on Utilities in the Apple menu and select Terminal. When the machine boots, you will the OS X Utilities screen.(Note: If you see a login window or your own desktop and icons, it’s possible that you didn’t hold Command-R early enough. When you see the start up screen, you can let go of the keys.Boot to the recovery partition on your original drive by holding down Command-R during the startup process.Your files are encrypted until you type your password, so there’s no resetting it. The utility won’t function, as it just can’t see the Mac system drive or any users on it. If you try using this tool after enabling FileVault, you’ll discover you can’t. This means it’s not possible for an attacker to use the resetpassword utility from recovery mode. Modern versions of FileVault encryption provides whole-disk encryption of your Mac. If you opted out of the encryption or you’re using a previous version of Mac OS X, you should enable FileVault encryption now. FileVault encryption is now enabled by default on OS X Yosemite - assuming you accepted the default option while setting up your Mac, you should be safe. If you’re using a Mac, you should ensure FileVault encryption is enabled. RELATED: How to Encrypt Your Mac's System Drive, Removable Devices, and Individual Files But Windows doesn’t make this as easy as a Mac does - these tools aren’t all just a quick keypress away while you boot your Windows PC.Įnable FileVault Encryption to Protect Your Files There are ways to reset your password on Windows, of course. However, it means a thief can quickly wipe your Mac and start using it. This at least protects your personal files from a thief - they’ll just have to start over from scratch. RELATED: How to Wipe Your Mac and Reinstall macOS from ScratchĮven if your Mac is securely encrypted, anyone with access to it - for example, a thief who stole your MacBook - could enter recovery mode and use the “Reinstall OS X” option to wipe your entire hard drive. These same tools are available by booting from OS X installation media - a DVD or USB drive - on a Mac.
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