UPDATE 11/27/20 – I’m still getting a bunch of people reaching out saying that they are still getting the error even after Apple fixed the issue! I have a fix for you via Hyram Hakkenbecker. Big Sur Full Installer.app Download Problems – “Installation Failed Error Occurred while installing the selected updates.” If more trending issues come in, they will be posted here.ġ.If you can’t unlock settings in System Preferences Big Sur 11.1 Big Sur Upgrade Error – An error occurred preparing the software update. Reinstalling macOS Big Sur on Apple Silicon – Slowness after upgrade to Big Sur – Other have reported that their Mac is very slow after upgrading to Big Sur. – Some users are reporting after a good install the Mac is stuck in an endless boot loop. Big Sur Install failing and bricking some older 13″ MBPro’s – Installation fails and the Mac has a black screen – Will not respond to any startup commands.
Big Sur progress gets stuck mid installation – Black Screen with Apple Logo stuck or stopped progress bar UPDATED 2/14/21 – List of macOS Big Sur Installation Issues. macOS Big Sur Install Issues Table of Contents Macintosh video that goes over some of the known Big Sur Install issues.
