macOS Big Sur Installation Failed? Here’s The Fix! (7 Ways)

macOS Big Sur Installation Failed? Here’s The Fix! (7 Ways).

Wondering how one can repair your failed macOS Big Sur set up?

The macOS Big Sur is an thrilling new update for Mac customers. With new options, an optimized interface, and more, there’s rather a lot to sit up for from Apple’s latest improve to the Mac.

Unfortunately, should you’re studying this text, then you definitely’ve in all probability run into the “Installation failed. An error occurred while installing the selected updates” error.

We perceive the priority and annoyance that comes with this, however don’t fear as there are a few options that you are able to do to attempt to repair this drawback. In this text, we’ll be guiding you thru a number of strategies to repair your failed macOS Big Sur set up.

Let’s get began!


1. Foreword.

The new macOS Big Sur update is a large improve out of your present or previous model of macOS. Due to that, you’ll be able to count on that lots of people try to update their macOS concurrently you, which hinders and overloads Apple’s servers.

Since the servers are overloaded, there often is nothing you are able to do in your finish to attempt to repair this drawback. Despite that, we’ll nonetheless give you 4 technical strategies that you could attempt to hopefully repair this problem.

Additionally, we’ll additionally present a hyperlink beneath that can assist you get in contact with Apple’s customer support so you’ll be able to allow them to know you’re having this problem.


2. Check Apple’s Servers.

First, we suggest checking Apple’s servers so you’ll be able to confirm for errors or points earlier than continuing. If Apple’s servers are certainly down or dealing with points, chances are high you in all probability received’t be capable of obtain the update right now.

Although a big majority of Mac customers have been reporting success with their updates over the past couple of days, it’s nonetheless potential for these servers to be overloaded for you. To verify and see the standing of Apple’s servers, merely go to their System Status web page on their official web site.

From there, search for macOS Software Update and see if the server is obtainable. This must be indicated by a inexperienced circle. If the server is up and operating, then let’s proceed that can assist you set up and repair the software program issues that may very well be arising out of your finish of this problem.


3. Restart Your Mac.

A fast reboot fixes most software program points, particularly those associated to your working system. By restarting your Mac, you’ll be terminating and rebooting all software program processes thereby ironing out any glitches or bugs.

Here’s how one can restart your Mac:

  1. Go forward and click on on the Apple icon on the top-left nook of your display.
  2. From there, merely click on on Restart and wait on your pc to close down and reboot.

Once that’s finished, attempt to update your macOS model via the software program update technique. Hopefully, your macOS Big Sur will start downloading, and also you’ll now not obtain the “Installation failed. An error occurred while installing the selected updates” error.


4. Refresh Your Software Update.

Before putting in the update, a whole lot of customers have discovered success in refreshing their Software Update window. Thankfully, that is fairly straightforward to do and must be a simple repair to this annoying drawback.

We suspect that by refreshing the Software Update window, maybe this refreshes your connection to the Apple server as effectively. This may allow you to keep away from congested servers by having your Mac hook up with a much less populated server.

Here’s how one can refresh the Software Update window in your Mac:

  1. Start by opening up the Apple icon on the top-left nook of your display and choose System Preferences.
  2. Now, go forward and click on on Software Update.
  3. Once you’re there, press the Command + R keys collectively to refresh your Software Update window.

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  1. That must be all you want, go forward and click on on Upgrade Now so you’ll be able to attempt to set up the macOS Big Sur update.

Thankfully, if this does work, then merely await the 12GB of information to complete downloading. The course of from there must be fairly intuitive. Hopefully, that helped repair your failed set up of macOS Big Sur.


5. Download Through The Mac App Store.

You don’t need to restrict your self to only putting in the macOS Big Sur via the Software Update window. Thankfully, you can even get the brand new macOS model from the Mac App Store itself.

The steps for this are fairly easy and is a superb different to attempt, particularly if the Software Update servers are congested. This ought to hopefully provide you with a greater probability of downloading the brand new update efficiently.

Here’s how one can obtain the macOS Big Sur via the Mac App Store:

  1. There are two methods that you could go about this step, so be happy to do whichever is snug for you:
  • With your browser already open, merely go to the Mac App Store Webpage and click on on View in Mac App Store.
  • Alternatively, you can even open the App Store on the bottom-right aspect of your System Tray. From there, search for ‘macOS Big Sur’ on the search bar on the top-left nook of the App Store.

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  1. Once you’re there, merely click on on Get.
  2. Finally, you may be requested to substantiate the obtain, simply click on on Yes and proceed the set up.

Hopefully, that helped you repair your macOS Big Sur set up. If you’re nonetheless having an issue, go forward and proceed to the subsequent technique on this text for the subsequent repair.


6. Download At Midnight.

With all of the strategies above failing, you might wish to reschedule your update to a a lot later interval. Chances are, the servers you’re connecting to should nonetheless be congested which is giving your update a tough time.

macos big sur installation failedmacos big sur installation failed

We counsel ready till midnight or slightly previous midnight to put in the update since most people must be asleep by then. This manner, the servers won’t be subjected to numerous site visitors which ought to allow you to obtain the brand new update.


7. Wait A Couple Of Days.

Finally, should you’ve stayed up final evening and nonetheless haven’t had any success with all of the strategies above, you may wish to give this a few days. The new update nonetheless has a protracted ready line with everybody ready, identical to you.

By ready for a pair more days, the road will ultimately lower. This leaves you as one of many few thousand individuals who can obtain the update with out site visitors and congestion.

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Still, if this didn’t work, then it may be in your best curiosity to contact Apple’s Customer Support staff to allow them to know that you simply’re nonetheless dealing with the problem. Perhaps they’ll do one thing on their aspect that can assist you hook up with the servers or refer you to their skilled technicians.

Alternatively, attempt disabling any third-party VPN packages in your Mac to see if that makes any distinction. Here’s how one can disable your Mac’s default VPN service.

That about wraps up this text. Hopefully, we’ve helped you repair your failed macOS Big Sur set up. With no more “Installation failed. An error occurred while installing the selected updates” errors, go away us a remark down beneath you probably have any questions or clarifications.

If this information helped you, please share it. 🙂

  • Mako YoungMako Young

    Mako is a employees author at Saint. He’s been writing about tech for greater than a decade. When he is not studying in regards to the latest information on Apple, he is busy finding out cybersecurity, cryptocurrency, cloud computing, and different IT-related sectors. His distinctive work graces know-how and Apple-related blogs like How-To Geek,, Macgasm, onMac, PhotoWorkout, GameRant, and plenty of more. He additionally has a Bachelors in Computer Science and has been writing since 2018, with over 400 posts revealed.
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