Note: If you are using the new Macs with Apple silicon, shut down the computer, and wait for 10-30 seconds.

Now, open System Preferences, click on Software Update and try downloading/installing macOS Big Sur.

Once the login window appears, let go of the Shift key.

Power on your Mac, and immediately press and hold the Shift key.

Click on the Apple logo  from the top left and choose Shut Down.

Download macOS Big Sur after Starting Mac in Safe Mode

Once it completes, restart the Mac, and try installing macOS Big Sur again.Ĩ.

From the left Sidebar, select the top disk under ‘Internal.’ It may most likely be named Macintosh HD.

Press Command + Space Bar to launch Spotlight Search.

Make sure the checkbox for ‘ Set date and time automatically‘ is checked.

Open System Preferences by clicking on the Apple logo (). Make Sure Mac’s Date and Time are Correct In rare cases, if they face some problem, this means you will have to wait it out for things to be fixed. For this, head over to their System Status page and check if macOS Software Update, Apple ID, App Store, and similar settings have a green dot next to them. The primary thing to ensure is that everything is running smoothly from Apple’s end.

Restart if it is Stuck on macOS Big Sur Setting Up Your Mac Screen.

Download macOS Big Sur after Starting Mac in Safe Mode.

Complete Unfinished App Store Downloads.

Use the Mac App Store for Downloading macOS Big Sur.

Ensure Enough Free Space on Mac Before Updating.

Make Sure Mac’s Date and Time are Correct.

How to Fix macOS Big Sur Installation Issues This suggestion applies to any device you update, be it mobile or computer. Important: Make sure to back up your Mac or at least the most critical files before updating.

It is not like you are missing bread and butter due to the lack of Big Sur. But, if you have made up your mind or have other Macs or the risks are less, then here are some how-tos and tips to follow for perfect macOS Big Sur installation.

Word of Advice: Before you begin, I would suggest that if you have only one Mac that you use for primary work (and especially if it is a MacBook Pro from 2013/14), please wait for some time (maybe 3-4 weeks). Plus, this issue has been forwarded to Apple’s engineering team for swift addressal. MacRumors, who initially broke this news, even state that Apple has asked a few users to bring the Mac directly for repair. They fixed it, but still, some people continued to face installation issues. Initially, there was a problem with Apple’s servers. However, the late-2013 and mid-2014 models of MacBook Pro seem to be the most vulnerable. The macOS Big Sur update process has been causing distress to several Mac models. To help you fix this issue and update properly, we have put together some useful tips. Several users on tech forums, Reddit, Apple Communities, and elsewhere have shared about freezing Macs and stuck or failed macOS Big Sur installations.

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