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If you didn't mean for your Mac to start this way, press and hold the power key to turn off your Mac.Then, press the power key again to start up normally.Enter your firmware password to continue starting up.Spinning globe If you see a spinning globe instead of an Apple logo, it means your Mac is starting from a network-based startup disk like Netboot or Internet Recovery instead of a connected or built-in startup disk.If your Mac doesn't have File Vault enabled, or you turned off automatic login in System Preferences, you see a screen showing the available user accounts on this Mac.Choose your user account name and enter your password to log in.If a question mark appears after you install a software update, select your startup disk again using mac OS Recovery.



And it is a direct threat that is being implemented by technology transfers, by disrespect for intellectual property rights, by commercial espionage, by all kinds of very bad things.After the power-on self-test is complete, your Mac sends a video signal to your built-in and connected displays.The display screen might appear black or gray at this point in the startup sequence, and the display's backlight should turn on.Your Mac doesn't continue starting up until you enter the code that you set.