Some of the most common reasons macOS can’t complete the installation include: Not enough free storage on your Mac. Corruptions in the macOS installer file. Problems with your Mac’s startup disk.
Why is macOS Big Sur failing to install?
If you’re still having problems downloading macOS Big Sur, try to find the partially-downloaded macOS 11 files and a file named ‘Install macOS 11’ on your hard drive. Delete them, then reboot your Mac and try to download macOS Big Sur again. … Finally, try logging out of the Store to see if that restarts the download.
How do I get rid of Mac OS installer?
The answer to this question was, “Notice there is an installer menu. Choose quit from the installer menu. If it won’t allow you to choose ‘Macintosh HD’, reboot a few times until it does.” If someone submits that, I’ll accept it.
What do I do if I can’t reinstall OSX?
Can’t Reinstall OS X On Your Mac? Try Resetting The PRAM
- First, completely shut down your Mac via the Apple Toolbar.
- Then, hold down Command, Option, P, and R buttons on your keyboard as you restart your Mac. …
- After the second chime, let go of the buttons and let your Mac restart as normal.
How do I fix Mac OS problems?
How To Fix Common Mac Problems
- Reboot Mac.
- Reset PRAM/NVRAM.
- Boot into Safe Mode.
- Reset SMC.
- Repair disk permissions.
- Verify disk (and repair if necessary)
- Reset Safari and clear caches.
- Delete Caches folders.
Can a Mac be too old to update?
Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. … This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.
How do I stop a Mac update?
To cancel the entire update process, locate and hold down the Option button. Within a few seconds, the Option button will change into a Cancel button. Tap the Cancel button that appeared on the screen.
Where is recovery on Mac?
Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up.
How do I bypass Internet Recovery on Mac?
Answer: A: Answer: A: Restart the computer holding down the command – option/alt – P – R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time.
How long does it take for Mac Internet recovery?
Depending on your Internet connection, this may take anywhere from a couple of minutes to up to an hour, or longer. Connect your Mac to the power adapter so that it doesn’t run out of juice whilst it’s loading Internet Recovery from Apple’s servers. 6) If all goes well, you’ll see the macOS Utilities window.
How do I reinstall OSX without losing files?
How to Update & Reinstall macOS Without Losing Data
- Start up your Mac from macOS Recovery. …
- Select “Reinstall macOS” from the Utilities Window and click “Continue”.
- Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.
Can’t reinstall macOS because disk is locked?
Boot to the Recovery Volume (command – R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair Disk and Repair Permissions until you get no errors. Then re-install the OS.
How do I wipe my Mac hard drive and reinstall OS?
If you’re reinstalling on a Mac notebook computer, plug in the power adapter.
- Start up your computer in macOS Recovery: …
- In the Recovery app window, select Disk Utility, then click Continue.
- In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
How do I fix a Mac startup problem?
On a Mac laptop:
- Shut down the MacBook.
- Unplug and then reconnect the power cable.
- Press Shift + Ctrl + Option/Alt keys and the power button at the same time.
- Now release all those keys and the power button at the same time.
- You may see the light on the power cable flicker.
- Restart your MacBook.
Does reinstalling macOS fix problems?
However, reinstalling OS X isn’t a universal balm that fixes all hardware and software errors. If your iMac has contracted a virus, or a system file that was installed by an application “goes rogue” from data corruption, reinstalling OS X likely won’t solve the problem, and you’ll be back to square one.
Why is my MacBook pro acting weird?
Fix preference file: If an application is acting up, the file where it keeps your preference settings (called a plist file) might be messed up. One way to deal with this is to change some preference settings and quit the application. For Finder problems, also change the System Preferences Appearance settings.