GuidesError FixesMac: Your Computer Is Low On Memory

Mac: Your Computer Is Low On Memory [FIXED]

Learn the causes and solutions for the low memory issue on Mac.

If you are a Mac user and have encountered the message “Your Computer Is Low On Memory,” you are not alone. Your computer may slow down, freeze, or crash if its memory is low. However, there are tactics you may use to deal with this problem and enhance your Mac’s performance.

Key Takeaways

  • Understanding memory on a Mac is essential for ensuring optimal performance and avoiding issues such as low memory.
  • Running too many applications simultaneously, large files taking up too much memory, malware, and operating system updates consuming too much memory are the common causes of low memory on a Mac.
  • Strategies for addressing low-memory issues include managing startup items, cleaning up unnecessary files, and force-quitting applications and processes.

Understanding Memory On A Mac

Understanding memory on a Mac is essential for ensuring optimal performance and avoiding issues such as low memory. RAM and virtual memory are the two main types of memory on a Mac.

The Mac uses RAM to store data for running programs temporarily. In contrast, virtual memory uses the hard drive as temporary storage for data that doesn’t fit in RAM.

On a Mac, you can check the amount of memory that is available using the Activity Monitor software. You can ensure your computer performs smoothly and effectively by knowing the memory on a Mac.

Related Article: How To Perform Disk Check?

Causes Of Low Memory On A Mac

A variety of factors can cause low memory. Here are some of the most common causes of low memory on a Mac:

Running Too Many Applications Simultaneously

When you have too many applications running on your Mac, they consume a lot of RAM and can cause your computer to slow down. If you have a lot of applications running in the background, consider closing some of them to free up memory.

Large Files Taking Up Too Much Memory

Large files such as videos, images, and audio files can take up a lot of space on your Mac’s hard drive and can also consume a lot of memory when you open them. To free up memory, consider deleting any large files you no longer need or moving them to an external storage device.

Your Computer Is Low On Memory – Image Credits (Tech4Gamers)

Malware And Other Malicious Software

Your Mac may become slower due to malware and other harmful software using memory and processor resources. Install antivirus software and run routine scans to identify and eliminate any harmful software to avoid this.

Operating System Updates Consume Too Much Memory

When you update your Mac’s operating system, the update can consume significant memory. This is because the update needs to download and install files, which can take up a lot of space. If you are experiencing low memory after updating your operating system, consider freeing up space.

How To Fix “Your Computer Is Low On Memory Mac”

If you are experiencing low memory issues on your Mac, there are several strategies you can try to address the problem:

Managing Startup Items

By managing startup items, you can reduce the number of applications and processes that launch automatically when you start up your Mac, freeing up memory and improving performance.

It’s a good idea to review your startup items regularly to ensure that only essential applications and processes are launching automatically. Here’s how to manage startup items:

  1. Select “System Preferences” from the Apple menu by clicking on it in the top left corner of the screen.
    Your Computer Is Low On Memory Mac
    System Preferences – Image Credits (Tech4Gamers)
  2. Click on “Users & Groups.
    Users And Groups
    Users And Groups – Image Credits (Tech4Gamers)
  3. Select your user account in the left column and click the “Login Items” tab.
  4. When you start your Mac, a list of programs and processes will start up automatically. Click on an item to choose it, and then click the “” button to the right of the list.
  5. To add an item, click the “+” button below the list and select the application or process you want to add.
    Your Computer Is Low On Memory Mac
    List Of Programs And Processes – Image Credits (Tech4Gamers)
  6. The item can also be hidden from the login window by checking the box next to it.
  7. Once you have made the desired changes, close the “Users & Groups” window.

Cleaning Up Unnecessary Files

By cleaning up unnecessary files, you can free up storage space and improve the overall performance of your Mac. It’s a good idea to review your files regularly and delete any that are no longer necessary to ensure that your computer runs smoothly.

Here’s how to clean up unnecessary files:

  1. Open “Go” and click “All My Files” in the left-hand sidebar.
    Your Computer Is Low On Memory Mac
    Click All My Files-Image Credits (Tech4Gamers)
  2. In the menu bar at the top of the screen, pick “File” and then “Arrange By > Size.” Your files will be sorted according to size, starting with the largest ones.
  3. Examine the largest files to see if they are required. Any files you no longer require can be deleted by dragging them to the Trash.
    Drag The File To Trash
    Drag The File To Trash – Image Credits (Tech4Gamers)
  4. The trash can be emptied by right-clicking on the trash icon on the Dock and choosing “Empty Trash.
  5. A third-party cleaning program like CCleaner can be used to remove unused files from your Mac. These tools can help you identify and remove temporary, cache, and other unnecessary files that may take up space on your hard drive.

When removing files, you should exercise caution because doing so could potentially damage your computer if the files are essential system files. As a result, it is advised to back up crucial files before removing them.

Also Read: How To Clear PC Cache? [Browser, Windows & Programs]

Force Quitting Applications And Processes

Sometimes, an application or process may stop responding or consume too much memory, causing your Mac to slow down. In such cases, forcing quitting the application or process may be necessary. Here’s how to force quit applications and processes on a Mac:

  1. Press “Command + Option + Esc” on your keyboard. The “Force Quit Applications” window will appear as a result.
  2. Choose the program or process you want to force quit from the list.
    Your Computer Is Low On Memory Mac
    Force Quit Applications – Image Credits (Tech4Gamers)
  3. Click the “Force Quit.
  4. If the application or process is not responding, you may see a warning message asking if you want to force quit the application. Click on “Force Quit” to confirm.

It’s important to note that forced quitting an application or process may cause you to lose unsaved work or data, so it should only be done as a last resort.

Upgrading RAM

If you are constantly facing the “Your Computer Is Low On Memory Mac” issue, you might want to consider upgrading your RAM. Here’s how to upgrade your Mac’s RAM:

  1. Determine the type of RAM your Mac uses: The type of RAM your Mac uses depends on the model and year it was manufactured. This data is available on Apple’s website or through third-party resources like “Mactracker.”
  2. Purchase compatible RAM: Once you know the type of RAM your Mac uses, you can purchase compatible RAM from an authorized reseller or directly from Apple.
  3. Unplug the device: Unplug your Mac from the power source after turning it off.
  4. Remove the back cover: To reach the RAM slots, you might need to remove your Mac’s access panel or back cover, depending on the model.
    Your Computer Is Low On Memory Mac
    Remove The Back Cover – [YT/REWATechnology]
  5. Remove the old RAM: Gently pull apart the clips on either side of the RAM module to release it from the slot. You can then remove the RAM module by pulling it straight up.
  6. Install the new RAM:  The replacement RAM module should be carefully inserted into the slot at an angle and pressed down until it clicks into place. Make sure that the clips snap into place to secure the RAM.
    Your Computer Is Low On Memory Mac
    Install The New RAM – [YT/REWATechnology]
  7. Replace the back cover or access panel: Once you have installed the new RAM, replace it and secure it in place.
  8. Power on your Mac: Turn on your Mac and check the amount of installed RAM in the “About This Mac” section of the Apple menu.

Upgrading your Mac’s RAM can improve performance and prevent low memory issues. However, if you are not comfortable with performing this upgrade yourself, it’s recommended to have a professional do it for you.

Read: Ram Buying Guide: Factors To Consider

Using External Storage Devices

External Drive
An External Drive – Image Captured By Us.

Using external storage devices can help address low memory issues on your Mac by freeing up your Mac’s storage space and preventing low memory issues. Here’s how to use external storage devices:

  1. Choose an external storage device: You can choose from various external storage devices, such as USB drives, external hard drives, or cloud storage.
  2. Connect the external storage device: Depending on the type of device you’re using, you may need to connect it to your Mac using a USB cable, Thunderbolt cable, or via Wi-Fi.
  3. Format the external storage device: If it is not already formatted for use with your Mac, you may need to format it. To do this, open “Disk Utility” from the Applications folder, select the external storage device, and click “Erase.” Choose the appropriate format and click “Erase.”
  4. Transfer files to the external storage device: You can transfer files from your Mac to the external storage device after it has been connected and formatted. You can accomplish this by dragging and dropping files or using your application’s “Export” feature.
  5. Remove the external storage device: Before removing it, ensure to eject it properly by clicking the “Eject” button next to the device in Finder. This will ensure that all data is saved and the device is not damaged.

It’s important to choose a reliable and secure external storage device and to back up important files regularly to prevent data loss.

Additional Tips For Managing Memory On A Mac

Now let’s see some additional tips for managing memory on a Mac:

Turning Off Visual Effects

While visual effects on a Mac can make the user interface look more appealing, they can also use a significant amount of memory. Visual effects can be disabled to free up memory and boost Mac’s speed in general.

Go to System Preferences, then select Accessibility to disable visual effects. Click Display after that, and then select Reduce Motion by checking the box.

Your Computer Is Low On Memory Mac
Select Reduce Motion – Image Credits (Tech4Gamers)

Closing Tabs In Web Browsers

Web browsers can consume much memory, especially when multiple tabs are open. Freeing up memory and enhancing Mac’s performance can both be accomplished by closing unused tabs.

It’s also a good idea to use browser extensions like OneTab, which can help reduce memory usage by suspending inactive or consolidating tabs into a single tab.

Limiting The Number Of Open Applications

Running too many applications simultaneously can consume much memory. Keeping fewer open programs can help free up memory and boost Mac’s speed in general.

It’s a good idea only to keep the applications that are currently being used open and to quit applications that aren’t being used.

Using An Activity Monitor To Monitor Memory Usage

A Mac’s built-in Activity Monitor program can be used to keep track of memory use.
It displays real-time information on how much memory each application uses and other system resources like CPU usage and network activity.

Your Computer Is Low On Memory Mac
Activity Monitor Program – Image Credits (Tech4Gamers)

This data can be used to spot programs or processes that consume excessive amounts of RAM and take steps to release it.


This was everything you needed to know about the “Your Computer Is Low On Memory Mac” issue. In conclusion, it’s important for Mac users to pay attention to their computer’s memory usage and take action when necessary. A well-running computer can make all the difference in today’s hectic digital environment. Therefore, manage your Mac’s RAM utilization to have a smooth computing experience.

Frequently Asked Questions

Can I use cloud storage to manage low memory on my Mac?

You can use cloud storage to manage low memory on your Mac. You can free up space on your computer’s hard drive and lessen the stress on your RAM by storing files and data in the cloud.

Can I use an external hard drive as virtual memory on my Mac?

You can use your Mac’s external hard drive as virtual memory. By creating a swap file on an external hard drive, you can increase the amount of virtual memory available to your Mac and potentially reduce low memory issues.

Can I disable Siri to free up memory on my Mac?

Disabling Siri may free up a small amount of memory on your Mac, but the difference is likely to be negligible.

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