Mac Running Slow? Here's the Fix

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Robert Hunt
Sep 9, 20225 min read

Is your Mac running slow? Don't worry. Here you'll learn some tweaks to speed up your Mac.

All Macs slow down over time. And the reasons behind it are various. When your Mac starts to slow down, you may find that apps become unresponsive, the rainbow wheel keeps spinning, or even worse, your Mac freezes.

It's not hard to imagine how inconvenient a slow Mac can be to your work and life. But don't worry, we’re here to help! In this article, we’ll walk you through 8 ways to make your Mac as fast as it used to be.

Let’s dive right in.

Mac Running Very Slow? Here's How to Fix It

Why Is My Mac So Slow?

Working on a slow Mac is really frustrating. But before we learn how to speed up your Mac, let’s take a look at the reasons why your Mac is slow.

A variety of reasons can cause a Mac to slow down. The main ones are:

  • Not enough storage space.
  • Too many processes running in the background.
  • Too many startup programs.
  • Outdated macOS.
  • Mac hardware problems.

How to Make Your Mac Run Faster

Now that you know why your Mac is slow, we’ve come to the part you care most about - how to speed up a slow Mac. Here are some ways you can try:

Optimize Mac Storage

The amount of free space you have is directly related to your Mac performance. Fortunately, Macs running macOS Sierra and later have a built-in storage optimization feature that automatically frees up some space for you when you're running low on storage.

To find out how your storage is being used and how much free space is left, click the Apple menu > About This Mac > Storage.

Check Free Storage Space on Mac

To optimize your storage, just click the Manage button above the storage bar, and you'll see 4 optimization recommendations. All you need to do is optimize your Mac as suggested.

Optimize Mac Storage

Clean up Useless Files

When you use your Mac, you will inevitably download a lot of files. Some files may be of no use to you, but you didn’t delete them in time. As a result, they build up and take up a lot of your precious space.

Files that can be safely deleted include DMG files, files in the trash, duplicate files, corrupted files, and unrecognizable files. In addition, caches and logs from the system, applications and users can also be cleaned freely.

If you want to quickly delete unwanted files from your Mac, use BuhoCleaner, which is one of the best Mac cleaners. It can clean up all kinds of junk files on your Mac with one click. Click the button below to try it out quickly.

Quickly Clean Up Mac with BuhoCleaner

Uninstall Unwanted Apps

Apps can also take up a lot of storage space. Have you noticed that some apps you may not have used for a long time, or have never been used since they were installed? Whether or not you have enough storage space, it is recommended that you remove them from your Mac.

Dragging an app to the trash does not completely remove it. Its supporting files are still on your hard drive. As you know, it is not easy to find and delete them manually. But if you have BuhoCleaner at hand, you can save a lot of time and effort.

Beyond a Mac cleaner, BuhoCleaner is also an easy-to-use app uninstaller that can completely delete multiple apps with one click, including stubborn antivirus software like Avast and Bitdefender.

Here are the steps:

  1. Download, install, and open BuhoCleaner.
  2. Click on App Uninstall in the sidebar, and you will see all installed apps.
  3. Filter and select the apps you don’t need, then click the Remove button.
Quickly Uninstall Apps on Mac with BuhoCleaner

Stop Resource-Hungry Processes

As we mentioned above, having too many programs running in the background can slow down your Mac. They consume so much memory and CPU resources that your Mac may not have enough resources to complete your operations.

Activity Monitor is a handy tool that allows you to check which processes are eating your CPU and memory. You can quickly launch it with Spotlight. With it open, find unused programs and processes, select them, and click Stop in the toolbar to quit or force quit them.

Stop Resource Hogging Process on Mac

Disable Unnecessary Startup Programs

Startup programs are apps and services that launch automatically when you log into your Mac. The more of them, the slower your Mac boots up. If your Mac is slow due to too many startup programs. It’s time to disable those unnecessary ones.

Here's how to remove startup programs on your Mac:

  1. Click the Apple icon and select System Preferences.
  2. Click Users & Groups > Login Items, and you will see a list of apps that automatically open when your Mac starts.
  3. Select the app you want to remove, unlock the padlock in the lower left corner, and click the Minus (-) button.
Disable Login Items on Mac
Tip
The steps are slightly different on the latest macOS Ventura.

In fact, in addition to the login items in the list, there may be other unnecessary launch services such as Launch Agents and Launch Daemons.

The free Startups feature built into BuhoCleaner can help you manage all your login items and services more easily. Click here to download and try it out.

Delete Browser Extensions and Plugins

You probably have added many extensions and plugins to your browser to improve your experience with it. However, these extensions and plugins are automatically launched every time you open your browser, which puts a lot of pressure on your memory.

Therefore, to avoid running out of memory space, you’d better remove the extensions and plugins you don’t need from your browser.

Safari:

  1. Open the Safari browser.
  2. Click the Safari menu and select Preferences.
  3. Click the Extensions tab, select the extension you want to uninstall, and click the Uninstall button next to it.
    Uninstall Safari Extensions

Chrome:

  1. Open Chrome.
  2. Click the three-dot menu in the upper-right corner and select More Tools > Extensions.
  3. Disable or remove unneeded extensions according to your needs.
Remove Chrome Extensions
Tip
Having too many browser tabs open can also degrade your Mac performance. It is recommended that you close unused tabs in a timely manner.

Keep macOS and Apps up to Date

Thanks to Apple's continuous optimizations and updates, macOS has become smoother and faster. If you haven't updated your macOS in a long time, you better do it now.

Simply click the Apple icon, select About This Mac, and click the Software Update to update your macOS to the latest macOS compatible with your Mac.

Check Software Update

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If you want your apps to run faster, it's best to keep them up to date as well. Go to the App Store, click Update, and then update your apps to the latest version.

Replacing or Upgrading Mac Hardware

The steps above to speed up your Mac may not work on old Macs, which have very limited hardware. To fix this kind of slow Mac, replace or upgrade the hardware first.

The Bottom Line

Hopefully, by following the steps above, you've made a noticeable improvement in the performance of your Mac. Note that here we've only listed some of the main optimization steps. In fact, there are many more steps to try, such as rebuild Spotlight index, declutter your desktop, reduce visual effects, reset PRAM and SMC, move large files to an external hard drive or cloud, add more RAM, disable FileVault encryption, etc.

As you can see, we've mentioned BuhoClenaer several times. It's ideal for cleaning and optimizing your Mac. Why not go ahead and try it yourself?

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