How To Fix The Most Common macOS 11 Big Sur Issues

Facing macOS Big Sur problems? You are not the only one! Although the upgrade is an older one, released in November 2020,  we are not astonished to see that people are still experiencing problems. The current common macOS Big Sur problems include unusual battery depletion, Wi-Fi problems, latency, crashes, trouble with Bluetooth, and Touch-Id issues. Luckily, we have listed fixes to resolve these errors. Learn about common macOS Big Sur issues in our guide, along with solutions.

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Reasons you’re facing macOS Big Sur Problems

Here are some of the most typical causes of macOS Big Sur problems:

  • You don’t have sufficient storage space on your disk.
  • Incompatibility with your Mac.
  • You’re using dated applications. 32-bit appsare not supported by macOS Big Sur. Therefore, if you’re attempting to install an older application, it might not be compatible with this OS Instead, look for a 64-bit application.

Fix Common macOS Big Sur problems

Fix macOS Download Issues

When macOS Big Sur first launched, many users had download issues when attempting to install it. Although Apple’s server problems have improved, certain Mac users are still facing problems downloading the most recent version.

If your connection isn’t great, you can experience download issues. Two of the frequent problems we’ve encountered are lost connections and sluggish download rates. If you are having trouble downloading the macOS Big Sur update, try connecting an ethernet wire to your Mac. This can help with some download problems and accelerate sluggish downloads.

If the issues still exist or you are unable to connect an Ethernet cable, try restarting your Mac and/or router. You should take your Mac to a location with a quicker internet connection if neither of those solutions works.

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Fix macOS Big Sur Installation issues

Ensure your Mac is fully compatible with the new OS first if you’re experiencing trouble installing macOS Big Sur. You simply can’t install and run this new OS update if it’s not.

You must first confirm that your Mac is capable of running macOS Big Sur. Check out the list of compatible devices:

  • MacBook Pro (2013 and later)
  • MacBook Air (Late 2013 and later versions)
  • MacBook (2015 and later)
  • Mac Mini (2014 and later)
  • Mac Pro (2013and later)
  • iMac Pro (2017 and later)
  • iMac (2014 and later)

Read Also: Step-By-Step Guide: Factory Reset MacBook Pro/MacBook Air (2022)

You must go to your Mac’s Applications folder and search for the installation file if the macOS Big Sur download is complete but you aren’t asked to install the OS there. Once you’ve double-clicked the download, your machine should begin installing macOS Big Sur.

You should restart your Mac and hit Control + R while it’s loading up if the installation fails due to a lack of disk space on your Mac. With this, recovery mode will be activated. To start your computer properly after that, you need to choose “Disk boot.” After it is finished, you will need to remove files to free up space.

Read Also: How To Maintain Your Security And Privacy On macOS?

Writer’s Tip:  Time Machine Update you created just before you started can also be tried as a backup if all else fails. With the help of this, you may remove files by returning to the earlier version of macOS on your Mac.

Fix macOS Big Sur Bluetooth Issue

Here are a few solutions you can try if you are facing Bluetooth connection issues on macOS 11 Big Sur.

Try first switching Bluetooth on, then off. Ensure you have the means to attach a mouse to your Mac so you can turn it back on before you do this.

If this doesn’t work, you might have to remove the Bluetooth plist file. Follow the steps below:

  • Open the Finder.
  • Then select “Go” from the top menu.top-menu
  • Now choose “Go To Folder: and type “ Library/Preferences” and hit Enter.folder
  • Locate the file and delete it labeled as “com.Apple.Bluetooth.plist.preferences
  • After restarting your Mac, attempt once again to connect your Bluetooth device.

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Fix macOS Big Sur Wi-Fi Problem

First, deactivate Wi-Fi by clicking on it in the menu bar. Now turn it back on after waiting ten to fifteen seconds. We’ve used this a lot in the past to solve problems.

If this idea doesn’t work, it is time to reset your Wi-Fi settings. To do this, follow the steps:

  • Open “System Preferences” and select “Wi-Fi” under “Network.”systemnetwork
  • From the screen’s bottom, tap on the “Advanced” button.
  • After that, “Select Delete all saved connections.”tcp-ip
  • Reboot your Mac after saving these modifications. And then join the Wi-Fi network of your choice.

If the problem persists, try connecting to a different Wi-Fi network. Try restarting your Mac and the router.

Fix macOS Big Sur Battery Drainage Problem

Due to its superior battery life compared to other laptops on the market; the MacBook is highly popular. However, after the most recent macOS Big Sur 11 upgrade, battery problems have also started to appear. This may be fixed by doing the following PRAM reset:

  • Shut down your MacBook.
  • Press the keyboard’s Command, Option, P, and R keys together.
  • At the same time, press the power button to switch on your Mac.
  • The Apple logo will now appear and vanish three times.
  • After that, the MacBook ought to restart normally.

You’ll see that the display and battery settings return to their original states. Change the settings to your liking and save them.

Additionally, you can click the battery symbol in the top menu bar to get a list of the applications and processes that are consuming the most of your battery capacity. See whether battery life increases by closing them.

Fix macOS Big Sur Mouse Problem

You might have mouse problems after downloading the latest macOS Big Sur update if you often use an external mouse rather than the built-in trackpad on your Mac. This is how to resolve the macOS Big Sur problems:

  • Open the Finder.
  • Then select “Go” from the top menu.
  • Now choose “Go To Folder: and type “ Library/Preferences” and hit Enter.
  • Locate these two files and delete them:
  • apple.Apple.MultitouchMouse.plist
  • apple.driver.AppleBlutoothMultitouch.mouse.plist

Once finished, restart your MacBook to observe the favorable results.

Fix macOS Big Sur Touch Id Problem

After the upgrade, one of the major macOS Big Sur issues was the inability for users to sign in using touch ID. The MacBook should operate normally after being reset. To reset the SMC, follow these steps:

  • Shut down your MacBook.
  • On your keyboard, press the “Shift,” “Control,” and “Option” keys together.
  • Press and hold the power button simultaneously for around 10 seconds.
  • Release the keys at this point to restart your MacBook.

TouchID login should function properly. If not, go to System Preferences and choose the Touch ID tab to re-register your fingerprints.

Note: If everything fails, you can attempt downgrading to an earlier software version.

Conclusion

We believe that this detailed breakdown of fixes would be able to address all of your concerns regarding the issues with macOS Big Sur. If you have any doubts or questions, let us know in the comments below.

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