Have you installed macOS Big Sur but the installation stalled out with the Apple Logo and progress bar stuck? In this video, I will quickly go this issue and explain what we know so far. Did you have this issue after an upgrade? If so were you able to fix it? Did your Big Sur upgrade install ok?

My main macOS Big Sur 11 Issues article.
https://mrmacintosh.com/macos-big-sur...

This article is a running list of all known macOS Big Sur install / upgrade issues.
macOS Big Sur launched on Thursday November 12th, 2020. As with any launch of a product or software there will be issues. In the case of Big Sur, the problems started almost immediately. Users started to report download issues when trying to get Big Sur.

As the the week went by, more serious issues started showing up. If you are seeing a one of these issues, feel free leave a comment below.

Table of Contents
List of macOS Big Sur Installation Issues.

1. Big Sur Full Installer.app Download Problems – “Installation Failed Error Occurred while installing the selected updates.”
2. Big Sur progress gets stuck mid installation – Black Screen with Apple Logo stuck or stopped progress bar
3. 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.
4. Big Sur stuck in endless boot loop. – Some users are reporting after a good install the Mac is stuck in an endless boot loop.
5. Slowness after upgrade to Big Sur – Other users have said their Mac is very slow after upgrading to Big Sur.
If more trending issues come in, they will be posted here.

Links
https://MrMacintosh.com - Apple Mac Enterprise IT Blog & macOS News for MacAdmins

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