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.
