Startup screens can vary by Mac model, operating system (macOS), and more. Some screens, such as the prohibitory symbol or question mark, mean that you need to resolve an issue before your Mac can finish starting up. For all Mac models, startup is complete when you see the Finder menu bar, desktop, and Dock.
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Prohibitory symbol
A circle with a line or slash through it means that the selected startup disk contains a Mac operating system, but it's not a macOS that your Mac can use. Free driver support activation key. You should reinstall macOS on that disk.
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Question mark
A folder with a question mark means that the selected startup disk isn't available or doesn't contain a Mac operating system. Learn how to resolve a flashing question mark.
Blank (empty) screen
It's normal for a blank screen to appear once or more during startup. It can be black, gray, blue, or a desktop picture. If an image doesn't appear after a few moments, make sure that your display is turned on, connected, and has its brightness turned up.
Apple logo
Your Mac shows an Apple logo when it finds a local startup disk, which is a startup disk built into your Mac or directly connected to your Mac. If it can't find one, it attempts to use a network startup disk, if available. As startup continues, you should see a progress bar or indicator , with or without the Apple logo. This screen might alternate with a blank screen several times.
If you're updating or reinstalling macOS, this stage can take much longer to complete. The progress bar might move more slowly and pause for longer periods as installation progresses. Learn what to do if your Mac seems to be stuck on this screen during or immediately after installation.
Spinning globe
When using a network startup disk, your Mac shows a spinning globe instead of an Apple logo. A spinning globe also appears when starting up from macOS Recovery over the Internet. Download video to mac from iphone. As startup continues, you should see a progress bar or indicator , which might alternate with a blank screen several times.
Globe with alert symbol
You might see a globe with an exclamation point when your Mac is unsuccessfully attempting to start up from macOS Recovery over the Internet. Your Mac might not be able to connect to the Internet, or it might be using a network configuration that doesn't work with macOS Recovery. Try these solutions:
- Use Command-R at startup to attempt to use the built-in macOS Recovery system instead of macOS Recovery over the Internet.
- Connect to the Internet using Ethernet instead of Wi-Fi, or vice versa.
- Connect to the Internet from a different network.
- Try again later, because the issue might be temporary.
Lock icon
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. Enter the firmware password to continue. Google app download for mac.
System lock PIN code
Download mac os x lion without app store. Your Mac asks for a PIN code when it has been remotely locked using Find My. Enter the four-digit or six-digit passcode to continue.
Login window
At the login window, enter your user account password to log in to your Mac. If FileVault is turned on, this also unlocks your disk. You might see a default desktop picture in the background, which might change to your chosen desktop picture when you select your account.
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Thunderbolt, USB, or FireWire symbol
A large Thunderbolt , USB , or FireWire symbol onscreen means that your Mac is in target disk mode.
Learn more
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- Learn what to do if your Mac doesn't turn on or finish starting up.
- Learn about Mac startup sounds and POST RAM error codes.
- When starting up from Windows using Boot Camp, your Mac doesn't show an Apple logo or the other screens in this article.