Top macOS Big Sur Issues and How to Fix It

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macOS Big Sur is a massive deviation from macOS Catalina. Apple has completely redesigned the pregnant parts of the OS and at the aforementioned fourth dimension added functions such as widget support, Control Centre, new iconography, and more. However, whenever a major update to an operating system drops, at that place are bound to be issues and bugs. And unfortunately, macOS Large Sur is no exception hither. The update is riddled with bugs and issues such equally installation stuck on a loop, Bluetooth, Wi-Fi bug, below-average battery life, and more.

Normally, I would advise readers to non board the early railroad train to the new OS and look for at least a month to install the new update on your prime car. If you lot are an early adopter of the macOS Big Sur and facing several issues and so read along to troubleshoot them with the following options.

macOS Large Sur Issues and How to Set up Information technology

one. Gateway Timed Out Error

There’s been a lot of complaints regarding the macOS Large Sur download stopping midway and the organisation throwing upward a ‘gateway timed out’ or ‘bad gateway’ error.

If yous are having this issue, try starting your Mac in Safe Way (concord downwardly Shift on the keyboard while it boots), then try downloading and installing macOS Big Sur again. The fault comes up likely due to internet connection issues or server bug on Apple’s part. You can besides try downloading the Big Sur update afterward a few hours as by then the load on the servers should accept reduced.

2. macOS Big Sur Download Failed

Apple tree has released macOS Big Sur for millions of compatible Mac out there. Due to unprecedented traffic on Apple servers, the process might get interrupted due to server-side failures. You tin can visit Apple’southward system status folio and brand sure that everything is running fine before downloading the update. Information technology’south definitely not something that happens ofttimes, but brand certain yous cantankerous this one off your listing.

apple system status

3. Installation Stuck on Black Screen or Endless Bootloop

There is no particular reason for the behavior. information technology just happens. You seem to have downloaded macOS Large Sur, and then it gets stuck during the installation process. This is an issue that a lot of older Mac users are facing while updating their machine to Large Sur. Ane mode to solve this is to reboot your Mac in Safe Mode: concord downwards Shift while rebooting and and so restart the installation procedure. If this doesn’t help, endeavour resetting NVRAM by post-obit the steps below.

Footstep ane:
Shut downward your Mac.

Stride ii:
Hold down Option + Control + P + R for nearly 20 seconds.

Stride 3:
Look until your Mac restarts and try reinstalling macOS Big Sur.

4. Unable to Install macOS Big Sur

In some cases, the MacBook simply won’t turn on anymore subsequently installing macOS Big Sur, while other users have reported that the update can’t fifty-fifty exist installed on these Macs.

macOS Installation failed

If you’re having trouble when installing macOS Big Sur on your MacBook, you lot may want to endeavour the following steps.

Stride 1:
Press and concur the ability button on your Mac for at least ten seconds, then release. If your Mac is on, it turns off.

Step 2:
Unplug all external devices from your Mac, including any displays and USB accessories, and remove any card inserted in the SDXC card slot. Then turn your Mac on.

5. Big Sur Fails to Boot or Login Problems

Some users study they experience troubles with Mac startup after successfully updating to macOS Big Sur. So if you endeavour to turn on your Mac and macOS Big Sur won’t kicking, the loading screen seems stuck, or you tin’t log in to your account, hither are the possible fixes.

  • Try to force restart your Mac
  • Bank check the power supply and plug the charger if it’s disconnected
  • Use a unlike account to log in
  • Boot into Recovery mode and run Kickoff Aid via Disk Utility
  • If aught helps, become into Safe mode and endeavor reinstalling macOS Big Sur.

6. Apps Won’t Launch

Initially, many Mac users couldn’t launch apps or experienced extremely wearisome app launch. Interestingly, even some non-Big Sur users complained about not-Apple apps slowing down or acting unresponsive.

Subsequently a few hours, information technology became evident that the issue had to do with app notarization. Apparently, Apple servers were so overwhelmed with Big Sur that it slowed downward notarization confirmations. As of now, the outcome is fixed.

7. macOS Big Sur Battery Drain

One of the common macOS Big Sur problems is related to battery life. You may discover a faster bombardment bleed than your usual usage. You lot can gear up the result by using the congenital-in Action Monitor.

Make sure all your apps are updated. You tin besides click the battery icon on the top menu bar, which will evidence yous what apps and processes are taking upwards a lot of your bombardment life. Close those and run into if the battery improves.

i. Discover out Energy Bear on of Apps

If you are noticing an unusual behavior with an app then you can bank check its usage from the Action Monitor. Use Control + Infinite keyboard shortcut to bring up Spotlight Search. Type Activeness Monitor to open the app. Here, y’all will see the list of opened apps on the MacBook. Cheque out an app’s free energy as well as CPU usage. If you are noticing irregular spikes in usage and so quit the app using the ‘x’ marking at the upper left corner.

activity monitor on mac

ii. Stop Apps from Opening in Background

Apps like Slack, Spotify, OneDrive, Dropbox, etc. automatically open up and run in the background when you boot your Mac. The practice makes sense for cloud storage apps to continue the files in sync. But for other apps, this beliefs is not really justifiable. Thankfully, macOS allows yous to remove apps from starting upward automatically during login.

System Preferences
Users & Grouping
Login Options
> ‘Login Items’. Here, you will see the list of apps automatically opening during Mac startup. Select the app and tap on the ‘-‘ icon beneath to end the practice.

remove apps from login

Read our defended post to find the top fifteen tips and tricks to meliorate your MacBook battery life running macOS Big Sur.

8. macOS Big Sur Bluetooth Problems

This one is major equally Bluetooth problems can ruin your workflow in an impactful manner. If you are facing Bluetooth issues post-obit the macOS Big Sur update then try the trick below.

Stride 1:
Press Shift + Option

Step ii:
Click on the Bluetooth icon in the menu bar

Step 3:
Reset the Bluetooth module
> Ok

fix big sur bluetooth issues

Pace iv:
Restart your Mac.

ix. Wi-Fi Problems on Big Sur

This one is another critical problem related to the Big Sur update on Mac. If yous are having a network-related consequence on Large Sur then follow the steps beneath.

Step one:
Open up
System Preferences

Step 2:
Click on Advanced in the bottom right corner

Step 3:
Remove Wi-Fi connections by unchecking the boxes

fix wifi issues on big sur

Step iv:
Save the changes and restart your Mac.

ten. macOS Big Sur Running Slowly

Once macOS Large Sur is installed on your Mac or MacBook, you may observe that your device is running slower than before.

If macOS Big Sur showed a notification that said “Optimizing Your Mac: Functioning and battery life may exist affected until completed,” then this is normal, as macOS Large Sur is doing things behind the scenes which can initially affect performance.

Subsequently a solar day or so, your Mac should be running only as well (if not amend) as before. If yous don’t come across an improvement by and so, try restarting your Mac or MacBook.

If you are using new MacBook Air or MacBook Pro with an M1 CPU inside, you might notice a slump in performance with some of your daily apps that aren’t optimized for Apple silicon. While Apple’due south Rosetta tool helps run apps for Intel-based Macs on Apple M1 devices running Big Sur, they won’t run as smoothly as native M1-optimized apps. I would advise using Apple’due south native apps for time beingness and look for tertiary-party developers to join the M1 club.

eleven. Noisy Fans Afterward macOS Large Sur Update

Many users have reported that they hear loud fan noise after the macOS Big Sur installation.

This is likely due to the fact that the MacBook is continuing to piece of work hard behind the scenes updating the rest of the operating arrangement, including updating apps and re-indexing Finder. This can crusade the fans to boot in to assist proceed the MacBook absurd. Hopefully, after a few hours, the fans should return to normal.

12. Bricked Mac

If y’all have erased the disk and reinstalled the Big Sur update from Apple servers, then you might end up with a bricked Mac. Apparently, Apple’s servers will download a corrupted version of the macOS and brick your daily auto. In such cases, yous have no selection but to accept a trip to the nearest Apple shop to gear up the issue.

How’s the macOS Big Sur update is treating you? Did you face any major problems during the download and installation process? Share your experience in the comments section beneath.


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