Top macOS Big Sur Issues and How to Fix It

macOS Large Sur is a massive departure from macOS Catalina. Apple tree has completely redesigned the significant parts of the OS and at the aforementioned fourth dimension added functions such every bit widget support, Control Middle, new iconography, and more. Yet, whenever a major update to an operating organisation drops, in that location are bound to exist issues and bugs. And unfortunately, macOS Big Sur is no exception here. The update is riddled with bugs and problems such as installation stuck on a loop, Bluetooth, Wi-Fi issues, below-average battery life, and more.

Normally, I would suggest readers to not lath the early train to the new OS and wait for at to the lowest degree a month to install the new update on your prime automobile. If you are an early adopter of the macOS Big Sur and facing several bug so read along to troubleshoot them with the following options.

macOS Large Sur Bug and How to Fix It

1. Gateway Timed Out Error

There's been a lot of complaints regarding the macOS Big Sur download stopping midway and the system throwing upwards a 'gateway timed out' or 'bad gateway' fault.

If y'all are having this issue, try starting your Mac in Condom Mode (concur down Shift on the keyboard while it boots), then try downloading and installing macOS Big Sur again. The mistake comes upward likely due to internet connection issues or server issues on Apple'due south part. You lot can also try downloading the Big Sur update afterwards a few hours as by and then the load on the servers should have reduced.

2. macOS Big Sur Download Failed

Apple has released macOS Big Sur for millions of compatible Mac out there. Due to unprecedented traffic on Apple servers, the process might go interrupted due to server-side failures. You lot can visit Apple's system status page and make sure that everything is running fine before downloading the update. It's definitely non something that happens often, but make sure you cantankerous this one off your listing.

3. Installation Stuck on Blackness Screen or Countless Bootloop

There is no particular reason for the behavior. it just happens. You seem to have downloaded macOS Big Sur, 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 Big Sur. I manner to solve this is to reboot your Mac in Prophylactic Mode: hold down Shift while rebooting and so restart the installation procedure. If this doesn't help, effort resetting NVRAM by following the steps below.

Step 1: Close downward your Mac.

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

Pace 3: Wait until your Mac restarts and attempt reinstalling macOS Big Sur.

4. Unable to Install macOS Big Sur

In some cases, the MacBook simply won't turn on anymore afterwards installing macOS Large Sur, while other users have reported that the update can't even be installed on these Macs.

If y'all're having problem when installing macOS Big Sur on your MacBook, you may want to effort the following steps.

Step 1: Press and hold the ability button on your Mac for at least ten seconds, and so release. If your Mac is on, it turns off.

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

v. Large Sur Fails to Boot or Login Problems

Some users report they experience troubles with Mac startup afterward successfully updating to macOS Large Sur. And then if y'all try to turn on your Mac and macOS Big Sur won't boot, the loading screen seems stuck, or you lot can't log in to your business relationship, here are the possible fixes.

Endeavor to forcefulness restart your Mac
Check the power supply and plug the charger if information technology'southward asunder
Utilize a different account to log in
Boot into Recovery manner and run Beginning Aid via Disk Utility
If nothing helps, go into Condom style and try reinstalling macOS Big Sur.

vi. Apps Won't Launch

Initially, many Mac users couldn't launch apps or experienced extremely slow app launch. Interestingly, even some non-Big Sur users complained nearly non-Apple tree apps slowing downwardly or acting unresponsive.

After a few hours, it became evident that the outcome had to practice with app notarization. Apparently, Apple servers were so overwhelmed with Big Sur that it slowed down notarization confirmations. As of now, the consequence is fixed.

7. macOS Big Sur Battery Bleed

One of the mutual macOS Large Sur bug is related to bombardment life. Y'all may find a faster battery drain than your usual usage. You lot can set up the issue by using the built-in Activity Monitor.

Make sure all your apps are updated. You can also click the battery icon on the acme bill of fare bar, which volition show you what apps and processes are taking up a lot of your battery life. Close those and see if the battery improves.

i. Find out Energy Affect 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 Activity Monitor to open the app. Here, you will run into the list of opened apps on the MacBook. Check out an app's free energy likewise every bit CPU usage. If you are noticing irregular spikes in usage then quit the app using the 'x' mark at the upper left corner.

two. Stop Apps from Opening in Background

Apps like Slack, Spotify, OneDrive, Dropbox, etc. automatically open and run in the groundwork when you lot kicking your Mac. The exercise makes sense for cloud storage apps to keep the files in sync. But for other apps, this behavior is not really justifiable. Thankfully, macOS allows you to remove apps from starting upwardly automatically during login.

Open System Preferences > Users & Group > Login Options > 'Login Items'. Here, you volition see the list of apps automatically opening during Mac startup. Select the app and tap on the '-' icon below to stop the practice.

Read our dedicated post to find the top xv tips and tricks to amend your MacBook bombardment life running macOS Large Sur.

viii. macOS Big Sur Bluetooth Bug

This i is major equally Bluetooth issues can ruin your workflow in an impactful mode. If you are facing Bluetooth issues following the macOS Large Sur update and so attempt the trick below.

Step 1: Press Shift + Choice

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

Stride 3: Select Reset the Bluetooth module > Ok

Stride 4: Restart your Mac.

9. Wi-Fi Problems on Big Sur

This ane is another critical trouble related to the Large Sur update on Mac. If you are having a network-related event on Large Sur so follow the steps below.

Step i: Open Organisation Preferences > Network > Wi-Fi

Step ii: Click on Advanced in the bottom right corner

Stride 3: Remove Wi-Fi connections past unchecking the boxes

Stride 4: Relieve the changes and restart your Mac.

10. macOS Big Sur Running Slowly

In one case macOS Big Sur is installed on your Mac or MacBook, yous may notice 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 afflicted until completed," and then this is normal, as macOS Big Sur is doing things behind the scenes which can initially impact performance.

After a day or so, your Mac should exist running just equally well (if not meliorate) as before. If you don't encounter an improvement past then, try restarting your Mac or MacBook.

If yous are using new MacBook Air or MacBook Pro with an M1 CPU inside, you might notice a slump in operation with some of your daily apps that aren't optimized for Apple silicon. While Apple's Rosetta tool helps run apps for Intel-based Macs on Apple M1 devices running Large Sur, they won't run as smoothly as native M1-optimized apps. I would advise using Apple's native apps for fourth dimension existence and look for third-political party developers to join the M1 club.

xi. Noisy Fans After macOS Big Sur Update

Many users accept reported that they hear loud fan noise subsequently the macOS Large Sur installation.

This is likely due to the fact that the MacBook is continuing to work hard backside the scenes updating the residue of the operating system, including updating apps and re-indexing Finder. This can crusade the fans to kick in to help keep the MacBook cool. Hopefully, subsequently a few hours, the fans should render to normal.

12. Bricked Mac

If you lot take erased the deejay and reinstalled the Big Sur update from Apple tree servers, so you might cease up with a bricked Mac. Apparently, Apple's servers will download a corrupted version of the macOS and brick your daily car. In such cases, you have no choice but to take a trip to the nearest Apple store to fix the issue.

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