[Solved]Mac Starts to Prohibitory Symbol After macOS Big Sur Update

macOS Big Sur

macOS Big Sur will be the following rendition of Mac OS, reported at WWDC 2020. It is again named after the scene in California yet skirts the macOS 10 rendition to macOS 11. As per the macOS Big Sur review from Apple, the new elements chiefly sit in the new control community, interface, and warning focus just as improved applications like Safari, Messages, and Guides.

Nonetheless, the new OS doesn’t continually bring uplifting news. Here is a list of macOS 11 known issues and fixes. In this article, we will explicitly talk about the Mac booting into a prohibitory symbol on the screen after the macOS Big Sur update.

What does it mean when your Mac boots to a prohibitory symbol?

At the point when a circle with a line cross it shows up on your Mac’s screen rather than a login screen or work area, almost certainly, your Mac doesn’t uphold running macOS Big Sur. Even though the OS can be effectively downloaded on the startup circle, the important equipment can’t introduce the OS nor dispatch it for use. It is an extremely commonplace issue individuals experience when they update their Mac PCs.

What Macs are compatible with macOS 11 Big Sur?

It is prescribed to actually look at the framework prerequisites before you redesign your Mac, particularly before a significant OS adaptation overhaul. A few models can run macOS Catalina however are not really compatible with macOS Big Sur.

macOS 11 Major Sur can be running on Maces including:

  • MacBook models from early 2015 or later
  • MacBook Air/Pro models from 2013 or later
  • Mac mini models from 2014 or later
  • Mac Pro models from 2013 or later
  • iMac models from 2014 or later
  • iMac Pro models
ALSO READ  What The Rise Of TikTok For Ecommerce

By actually looking at Mac’s equipment data, you can go to the Apple logo and About This Mac to realize your Mac model.

How to fix the prohibitory issue?

Presently you realize macOS Big Sur isn’t the right OS to run on your Mac, yet how to dispose of the downloaded macOS 11 files and reestablish the Mac? Try not to freeze. The means are extremely simple.

Step 1: Boot your Mac into Recovery Mode.

You need to begin or restart your Mac and promptly push down Order, Choice, and R keys together. Delivery the keys until you see a stacking screen. The booting system will be a great deal more slowly than expected. Then, at that point, you will be directed to the OS X Utilities or macOS Utilities window.

Stage 2: Back up files from the Mac.

In case you fear information misfortune, you can utilize Target Plate Mode or information Recovery programming to get the significant records off the Mac first.

Stage 3: Reinstall OS

You can decide to arrange the hard drive first in Circle Utility and reinstall OS. Likewise, you can straightforwardly reinstall OS by choosing Reinstall OS X or macOS and clicking Proceed. You simply need to follow the wizard to complete the reinstallation.


Before you update to a more up-to-date OS, do make sure to check the similarity first on the off chance that you will boot to a prohibitory image during the establishment. If the issue is going on, you can undoubtedly reestablish the Mac to a bootable state. MacOS 11 Major Sur is beta now and will be delivered to the public in fall 2020, so it is prescribed to redesign after it is formally delivered if your Mac is compatible.

ALSO READ  A Reliable Website to Convert PDF to JPG

About Storify Go (Admin)

Hello! My name is Mr. Robert James. I am a content writer & full-time professional Web Designer and Developer specially WORDPRESS with vast experience. I started my graduation in 2014 and graduated in 2018. I'm a professional article and blog writer, has written dozens of content on different topics and worked with professionals all over the globe. My passion for exploring technology and gathering unique information for the benefit of others has led me to pursue a career in news reporting. I take pride in providing timely coverage of the latest news across Pakistan as a personal hobby and professional responsibility."

View all posts by Storify Go (Admin)