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Find out more about Activation Lock on Mac. If your previously owned Mac displays an Activation Lock window asking for someone else's Apple ID, the previous owner may need to remove Activation Lock for you. Your lock screen looks similar and uses the same login password, but doesn't provide password-reset options.įind out what to do if you’ve forgotten your login password. If you're still logged in to your user account, you might see your lock screen instead. The login window only appears after you log out of your user account (Apple menu > Log Out) or restart or start up your Mac. You may see a default desktop picture in the background, which may change to your chosen desktop picture when you select your account. If FileVault is turned on, this will also unlock your disk. Login windowĪt the login window, enter your user account password to log in to your Mac. If your Mac is using a firmware password, the lock icon appears when you try to start up from another disk or volume, such as an external drive or macOS Recovery. Exclamation mark in a circleįind out what to do if your Mac starts up to an exclamation mark in a circle.
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Options with a gear iconįind out what to do if your Mac starts up to Options with a gear icon, also known as startup options. Blank (empty) screenįind out what to do if your Mac starts up to a blank screen, such as an empty grey, black or blue screen. Apple logoįind out what to do if your Mac starts up to an Apple logo or progress bar. Find out what to do if your Mac can't start up from macOS Recovery. Globe with warning symbolĪ globe with a warning symbol (exclamation mark) means that your Mac tried to start up from macOS Recovery over the internet, but couldn't. Circle with a line through itįind out what to do if your Mac starts up to a circle with a line through it (prohibitory symbol). Question markįind out what to do if your Mac starts up to a question mark. If your Mac doesn't start up all the way or needs you to do something during startup, it may stop at one of these screens.