How to fix macOS Slow Performance-macOS Big Sur

How to fix macOS Big Sur slow performance. In this article, I’m going to show you how to fix macOS Big Sur slow performance. At the point when you introduce macOS Big Sur on VMware or Virtual box or some other virtualization stage, you’ll see that macOS Runs so sluggish and you can’t ultimately do anything since it’s very lethargic. So in this guide, I’ll give a few hints and deceives to concoct an extraordinary presentation with any rendition of Mac Operating Systems. We should get the ball going.

Fix macOS Big Sur Slow Performance in General

Once, you’ve instructed macOS Big Sur or some other forms of macOS on your framework. You’ll see that your macOS is moderate and you’re not ready to tackle your job as easily as you wished to do. Presently, I’ll show you some broad exhibition tips that may assist you with accelerating your macOS.

So, without any wasting time, here are the steps to fix macOS Big Sur slow performance:

1. Check Compatibility Issue

In the first place, you need to check if your framework is viable with macOS new form or No. In case you don’t know that your gadget is viable with the most recent adaptation of macOS at that point check the accompanying framework similarity records.

Macs compatible with macOS Big Sur – macOS 11:

• 2015 and later MacBook

• 2013 and later MacBook Air

• Late 2013 and later MacBook Pro

• 2014 and later iMac

• 2017 and later iMac Pro

• 2014 and later Mac smaller than normal

• 2013 and later Mac Pro

What’s more, Accordingly, the accompanying models equipped for running macOS Catalina won’t be moved up to macOS Big Sur:

• 2012 and Early 2013 MacBook Pro

• 2012 MacBook Air

• 2012 and 2013 iMac

• 2012 Mac small scale

On the off chance that you need to see more about the similarity list head over to Apple support.

#2. Update your macOS to the Latest Version

On the off chance that your framework is viable with macOS most recent variant, you should move up to the most recent adaptation. Since the most recent variant is frequently better compared to past forms because of bug and execution fixes.

How to fix MeCos slow performance-Mecos Big Sur

3. Stop Starting Applications

At the point when you start your Mac, a ton of things load up behind the scenes. In addition to the fact that they slow down your startup, however they keep on doing so the entire time you’re on your Mac gadget.

You can get a quick macOS startup by eliminating pointless applications. To kill Login Items go to your System Preferences > Users and Groups and afterward click on your username. Presently, click on Login Items, click on the name of an application you don’t have to dispatch during startup, and afterward click the “- ” image situated beneath the rundown to one side; this will eliminate the application from the rundown. The less applications on the rundown, the better. This should assist a ton with accelerating your sluggish macOS.

How to fix MeCos slow performance-Mecos Big Sur

4. Stop Background Running Apps

At the point when you have too many running applications behind the scenes, your macOS can’t deal with basic assignments that cause moderate execution. Assuming you need to have speed macOS, you need to pause and stop foundation running applications.

Action Monitor will show you what cycles are spending your framework assets. Stopping a pointless application that is taking up a great deal of preparing force could have a colossal effect in accelerating your lethargic Mac. Open up your Applications envelope and afterward your Utility organizer. Here you’ll discover the Activity Monitor, open it. Look at the rundown of applications and cycles that incident on your Mac framework continuously.

From here, you can perceive what’s raising a ruckus with your Mac. Snap on the Memory tab at the top, at that point the Memory channel at the first spot on the list; this sorts the projects by the measure of room they’re taking up on your Mac RAM. The higher the number, the more force they need. Prevent an application from working by tapping on the application in the rundown and afterward tapping the dark “x” symbol situated at the upper left corner of the window. Try not to eliminate anything you don’t have the foggiest idea!

How to fix MeCos slow performance-Mecos Big Sur

5. Uninstall Unused Apps

The majority of us download applications that appear to be useful and energizing from the outset yet go to jumble up our plate as opposed to being utilized oftentimes. Unused applications are the greatest space-squanderers on our framework. So to dispose of those or if nothing else sincerely reveal to yourself which ones you don’t utilize any longer.

o Go to Finder and explore to the Go menu.

o From the drop-down list, select Applications.

o You will see all applications introduced on your framework.

o Right-click on the application that you don’t regularly utilize it. Select Move to Bin or Trush.

How to fix MeCos slow performance-Mecos Big Sur

#6. Remove Outdated Cached & Junk Files

There are different sorts of reserved documents on your framework, for example, framework store, client reserve, application created store, and then some. These store documents are one of the reason that hinder you macOS so you should eliminate these records oftentimes. To eliminate reserved documents, follow the means underneath.

Note: This progression can be unsafe in light of the fact that you may erase not obsolete records so be delicate with erasing the documents. At any rate take a reinforcement of the record you’re attempting to for all time erase. Simply in the event that something turned out badly, you ought to have the reinforcement to supplant it with the undermined envelope.

o Open Finder and snap “Go to Folder” in the Go menu.

o Type in/Library/Caches and press Enter or snap Go

o Locate a store organizer tree

o Go into every organizer and erase its substance

o Empty the Trash receptacle

How to fix MeCos slow performance-Mecos Big Sur

7. Clean your macOS with CleanMyMac X

Clean my Mac X is a surely understand programming that has been in the business for calm time and quite possibly the most utilized applications for Mac Users. It’s an extraordinary programming for tidying and rates up macOS drastically. As indicated by MacPaw which is the product proprietor says CleanMyMac X pursues garbage in all sides of your macOS. It cleans unnecessary documents, as obsolete stores, broken downloads, logs, and futile restrictions. You can eliminate huge loads of messiness that hides in iTunes, Mail, Photos, and even find gigabytes of enormous secret records. Macintosh cleaning devices in CleanMyMac X will cut the additional load in a moment or two.

How to fix MeCos slow performance-Mecos Big Sur

Fix macOS slow performance on VMware or VirtualBox on Windows

As you would realize that you can introduce macOS on VMware or VirtualBox on Windows PC too. So on the off chance that you’ve effectively introduced and having issues with its exhibition so you can apply the above advances laid out. What’s more, you can do the accompanying advances;

Note: The accompanying examination has been finished by one of our site guests (Jordan Van Bergen). The accompanying advances probably won’t be useful for the individuals who utilizing Windows Hyper as their virtualization programming.

In the wake of getting it to work with VMWare I had a go at booting my Catalina form on Virtualbox however this truly doesn’t begin at all and is delayed too. I have the Windows10 May Update. Windows 10 – Version 2004 OS Build 19041.329

So it could well be that everything relying upon VirtualBox doesn’t fill in as it ought to because of the Windows 10 may refresh. BlueStacks Android emulator doesn’t work any more also because of the May Update.

So I discovered this too: issue goal 4i39

So a great deal isn’t working 100% after Windows 10 – Version 2004 OS Build 19041.329 with VirtualBox.

I needed to do this present: It’s because of the Windows 10 Version 2004 May Update! On the off chance that you do the accompanying as long as you have similar issues then it will work once more:

1. Explore to Control board – > Programs and Features – > Turn Windows Features on or off – > Uncheck Hyper-V and Windows Hyper-Visor Platform.

How to fix MeCos slow performance-Mecos Big Sur

Extra Notes for Windows Hosts

2. To check the situation with Hyper-v in Windows 10. Open Run and type OptionalFeatures.exe. Search for the “Hyper-V” alternative. The case ought to be vacant, not checked, or concealed. Assuming you need to be certain beyond a shadow of a doubt that Hyper-v is gone, open a manager order comfort and type “bcdedit/set hypervisorlaunchtype off”. Try to completely shut down and reboot the host in the wake of changing the Hyper-v setting.

How to fix MeCos slow performance-Mecos Big Sur

3. On certain Windows has with an EFI BIOS, DeviceGuard or CredentialGuard might be enacted naturally and meddles with OS-level virtualization applications similarly that Hyper-v does. These highlights should be impaired. On Pro forms of Windows, you can do this utilizing gpedit.msc. Set Local Computer Policy > Computer Configuration > Administrative Templates > System > Device Guard. Turn on Virtualization Based Security to Disabled. CredentialGuard is a subset of DeviceGuard, so handicapping the previous ought to be sufficient. In the event that you can’t utilize gpedit for reasons unknown, the same vault hack is to track down the key HKLM|SYSTEM|CurrentControlSet|Control|DeviceGuard|EnableVirtualizationBasedSecurity|Enabled and set it to 0.

4. On Win10 has, check Windows Defender > Device Security > Core Isolation Details and ensure settings in this board are killed. Reboot the host from shut down on the off chance that you expected to make changes. “Center detachment [includes] security highlights accessible on your gadget that utilization virtualization-based security” which is the reason they can meddle with VirtualBox.


In this post, I’ve covered some best tips and deceives to accelerate moderate macOS execution. I’ve covered the accompanying tips.

o Check Compatibility Issue

o Update your macOS to the Latest Version

o Quit Starting Applications

o Stop Background Running Apps

o Uninstall Unused Apps

o Remove Outdated Cached Files

o Clean your macOS with CleanMyMac X

o Fix macOS moderate execution on VMware or VirtualBox on Windows

So, these were the steps to fix macOS Big Sur slow performance in 2021. However, macOS operating system is one of the best OS in the world. Meanwhile, if you think that your macOS Big Sur is laggy then follow the above-mentioned steps.

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Faraaz Ali: I'm a seasoned How-To content creator. I like creating and sharing articles on various operating systems, such as Android, Windows, macOS, and iOS, as well as other gadgets, such as a smartwatch and smart TV, as a tech enthusiast and geek.

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