How to Fix a Frozen Mac When Updating macOS - Make Tech Easier
For all Mac models, startup is complete when you see the Finder menu bar, desktop, and Dock. Learn how to resolve a flashing question mark.
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. 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.
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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.
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. As startup continues, you should see a progress bar or indicator , which might alternate with a blank screen several times. 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:.
Mac Screen Stuck on Apple Logo
Turn it off and on while holding Shift key. By holding the key when powering on you are getting into the safe boot option. Safe boot option attempts to repair any file system errors in the operating system. You may have a bad file system which will require an erase and reinstall. If you are able to get into safe boot make sure to do a time machine backup. Follow this guide to do it.
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Turn it off and on while holding Option key. The option key will give you a cursor and options that look like hard drives on the screen. Option boot into Macintosh HD if you are able to if you are stuck on a screen that says Macintosh could not find the packages.
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See the photo below. Go to the recovery partition. This partition will allow you to reinstall the operating system if you are having issues.
There are tools like disk utility to attempt to fix system errors. This is good if you are tech savvy. San Diego Mac Repair can save your files on occasion and do diagnostics of the hardware. Many times the Apple logo with progress bar can mean you have a hardware failure such as the hard drive, hard drive cable or logic board. We run full diagnostics on your Apple Mac computer in our shop in La Jolla.