Some Mac users feel mac. OS Big Sur is slower, lagging, or has worse performance on their Macs compared to prior versions of mac. OS system software. If you have noticed a performance degradation since updating to or installing mac. OS Big Sur, there may be good reason for that slowness, or it may be due to a variety of other factors.
This of course begs the question “Is macOS Big Sur causing performance problems on your Mac?”
Of course, we’ve also heard about bugs and performance problems plaguing Mac users who decided to upgrade to Apple’s newest version of mac, and os. If you install mac. OS Big Sur 11.6.1 on your Mac, and you run into issues, you can downgrade your computer’s software in an attempt to improve its performance.
It’s probably something with fusion drive and how Big Sur use it. Hope they will fix it :/ Same here on 2019 i. Mac, tried on Fusion Drive and also external, same results, extremely slow startup and app opening. At this point not usable at all., and same experience.
From the Apple menu, go to “System Preferences” then choose “software Update” Install any available system software updates to mac. OS Big Sur (like mac. OS Big Sur 11.1, 11.2, etc) Updating Mac apps can also help improve performance, so don’t forget to update them either.
We discovered wait it out! 5 clean up a cluttered desktop, 4 disable window transparency & use reduce motion, 7 update mac apps, or 6 install available macos updates are a few additional things to look into.
Should you upgrade to macos big sur?
Before asking that question, you should ask if you can upgrade to mac. OS Big Sur. If you’re upgrading from Catalina, the answer is probably yes as there are very few Macs that can run Catalina but not Big Sur. However, if you’re running an older version, you may be out of luck. The full list of Macs that will run Big Sur is:.
One query we ran across in our research was “What should I do before upgrading to macOS Big Sur?”.
The first, and most important thing you should do before upgrading to mac. OS Big Sur (or updating any software, no matter how small), is to back up your Mac. Next, it is not a bad idea to think about partitioning your Mac so you can install mac. OS Big Sur in tandem with your current Mac operating system.
Next, it is not a bad idea to think about partitioning your Mac so you can install mac. OS Big Sur in tandem with your current Mac operating system. That way, you can get used to the changes while still having access to what you are familiar with.
If Big Sur system performance is completely unusable, you can always downgrade from mac. OS Big Sur to Catalina or Mojave or a prior Mac system software version, assuming you had a recent Time Machine backup made anyway. Does your Mac feel slower after installing mac. OS Big Sur?
Which Macs support Big Sur?
With the release of mac. OS 11, Apple moved a year or two ahead in terms of supported devices, so the chances are your Mac might be off the list (ouch). Here are the Macs that support Big Sur: i. Mac Pro (2017 or later). Not sure which model you have?
, mac OS 11 Big Sur will be the first OS to support Apple’s ARM silicon, instead of traditional Intel-based chips. And thanks to this, we’ll soon see i. OS apps running natively on Macs.
If you’re not ready to go celebrate because the installation didn’t work, you can try to reinstall Big Sur. All you have to do is restart your Mac and boot in Recovery Mode (Command + R), then click on Reinstall mac, os Hopefully, it works this time.
How to reinstall macos big sur?
Click the Apple icon> Restart. Hold down the key combination: Command+R, you will see the Apple logo . Then choose “Reinstall mac. OS Big Sur” from utilities window and click “Continue”. Select your hard drive, click “Install” and wait for end of reinstallation.
One source stated you can only reinstall the original mac. OS your Mac shipped with on Intel Macs. To do so, you need to press down Command + Option + Shift + R keys while turning on a Mac. This will boot to Internet Recovery and download the original version of mac. OS from Apple servers according to your Mac model.
How to boot a Mac into recovery partition?
On an Intel Mac, just shut down your Mac completely and turn it on while holding down Command + R keys simultaneously. Release the keys until you see an Apple logo and your Mac will boot into the mac. OS Utilities or OS X Utilities screen in recovery partition.