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Hi, i have am early 2015 Macbook Air, it shows that i have an Big Sur update pending, but everytime it tries to update, after downloading some 12+GB of data gives a message stating "installation failed" is there any problem ?
Hi RJaipal,
Thanks for reaching out here in the Apple Support Communities. We see that you are having an issue with your Big Sur update failing before it is completed. We're glad to help.
Before continuing with the upgrade, we recommend backing up your Mac so that your information witll be safe.
this explains how:
How to back up your Mac - Official Apple Support
Once you have a backup, you can check a few things to see why the installations is failing.
Some things to check are making sure you have enough free space on your Mac, and checking the health of your Mac using Disk Utility First Aid.
How to upgrade to macOS Big Sur - Apple Support
How to repair a Mac disk with Disk Utility - Apple Support
You can also try to install Big Sur from macOS Recovery.
How to reinstall macOS - Apple Support
Let us know what happens.
Take Care.
Hi RJaipal,
Thanks for reaching out here in the Apple Support Communities. We see that you are having an issue with your Big Sur update failing before it is completed. We're glad to help.
Before continuing with the upgrade, we recommend backing up your Mac so that your information witll be safe.
this explains how:
How to back up your Mac - Official Apple Support
Once you have a backup, you can check a few things to see why the installations is failing.
Some things to check are making sure you have enough free space on your Mac, and checking the health of your Mac using Disk Utility First Aid.
How to upgrade to macOS Big Sur - Apple Support
How to repair a Mac disk with Disk Utility - Apple Support
You can also try to install Big Sur from macOS Recovery.
How to reinstall macOS - Apple Support
Let us know what happens.
Take Care.
Thanks you much @Karina appreciate it. I was able to install it a day or two ago, think apple made some changes to their servers as my installation just went through smooth.
Big Sur Installation Failed
