Why Is My MacBook So Slow All of a Sudden? (Explained)

Why Is My MacBook So Slow All of a Sudden

If you are a MacBook user, you might sometimes wonder why your MacBook is slow all of a sudden. Don’t be troubled; we’re here to help you out. In this post, we’ll go over some of the possible reasons “why is my MacBook so slow all of a sudden” and how you may quickly restore it to regular operation.

In general, there are various reasons why your MacBook may suddenly become unresponsive. 

  • The most common reason for your Mac’s slow performance is when it’s overloaded with cache.
  • You have put off updates for an extended period. 
  • The hard disk may be approaching capacity.
  • You have not restarted the computer in a long time.
  • If you have several tabs open on your MacBook. 
  • Malware on your computer may be the source of your Mac’s poor performance in certain situations.

How Can I Fix a Slow Mac?

If you are fed up with your Mac’s sluggish performance, there are various options available to you to improve its speed. In addition, the following repairs will restore your gadget to its original glory.

Find and terminate processes that are using a lot of resources. 

Some applications or processes may be using a significant amount of your Mac’s CPU power, making it difficult for other programs to function properly. To determine the increased CPU load, use the Activity Monitor application. After launching the Activity Monitor, select the CPU tab. Following that, you should select the % CPU drop-down menu to display the programs using the most CPU.

Examine your MacBook for any new software updates. 

You should ensure that your operating system (OS) is up to date to prevent hackers from compromising your system. System updates also provide your Mac with new features and improved compatibility, which helps to guarantee that it performs at peak performance without any slowdown.

Restart your Mac. 

The fact that you haven’t rebooted your MacBook in a long time doesn’t rule out the possibility that doing so will be essential to repair the problem and restore normal function to your MacBook. The RAM is cleared when you reboot your MacBook, and the processes are reloaded. Navigate to the Apple symbol and choose Restart. Make sure you have saved all of your work that is currently in progress before proceeding with this step.

Make some space on the starting drive by deleting certain files. 

Your Mac will not run properly unless it has enough free space on its hard disk. When your system is operating at or near its maximum capacity, it becomes slow. To find out how much data storage your MacBook has left, tap on the Apple symbol, select About This Mac and tap on the Storage tab. 

To create more space on your hard disk, choose Manage. You may then easily manage your MacBook’s storage by saving your files in the iCloud, optimizing storage, or clearing the trash regularly.

Check for signs of malware on your Mac. 

Some malware variants are specifically engineered to cause Macs to run more slowly. In other circumstances, they cause your system to run slower indirectly by stealing resources and interfering with operations. Phishing emails, malicious sites, and file-sharing applications are all potential sources of malware infection. 

Given hackers’ inventiveness, it is possible that no matter how cautious you are, you may unwittingly supply them with access to your MacBook.

Reduce the number of applications running in the background. 

Even though your MacBook is a powerful system, there are limitations to how much it can do at one time. Running a large number of applications simultaneously might cause your system to slow down. Ensure that you do not have any unnecessary applications running in the background on your MacBook to help it pick up speed. 

It is possible to do a fast inspection using your dock. Open applications are shown by a little dot next to their icon. Choose Quit from the context menu of each application currently open and running on your device.

Delete the cache files on your Mac. 

When you use your MacBook to complete tasks, the system stores some data you create in temporary storage. This store referred to as the cache, is used to speed up the loading of web pages and other application functionalities. Temporary files, though typically beneficial, may become an issue if they are kept on your computer for a longer period than required. Therefore, it is necessary to clean your caches regularly to keep your Mac from operating sluggishly.

Increase the amount of RAM available. 

Temporary data is contained on your MacBook’s hard drive in random access memory (RAM). RAM enables you to access data fast, and inadequacy of RAM capacity could be the cause of your Mac’s sluggish performance. If you are continuously running out of RAM capacity, you may need to spend a little more on extra RAM. If your MacBook is easily accessible for updates, this is the best option. In addition, Apple provides instructions for upgrading the RAM in certain Mac models.


Various factors might contribute to your MacBook being very sluggish. For example, 

  • You may have too many tabs open on your MacBook.
  • The computer may be infected with malware, 
  • You may have switched off the computer for an extended period. You may not have updated your MacBook in a long time, 
  • The hard drive may be almost full. 

Even though restarting your sluggish Mac may solve the problem, it may also complicate the process of determining whether or not your machine has been infected with malware in the first place. You are well aware that you must do all in your power to get it back up and running properly. As a matter of fact, you invested a substantial sum of money in a high-end computer with the expectation that it would provide ideal performance.

Eddie Mcfarren

Eddie Is no stranger to technical writing after spending years in Networking, IT Infrastructure management, and online content marketing. He is an avid researcher, Software and apps dev tester who spends hours solving problems behind the scenes. Get in touch with him via social media and you can email him via contact@gawkygeek.com

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