top of page

Why is my computer so slow all of a sudden? Step-by-step guide for macOS and Windows Users


a guy with a slow computer

Image by storyset on Freepik


Experiencing a slow computer can be frustrating, as it hampers productivity and efficiency. Whether you are using macOS or Windows, there are several potential reasons for sluggish performance. In this article, we will provide troubleshooting tips specifically for macOS and Windows versions to help resolve slow computer issues. Additionally, we will highlight the expertise and support available from Chibitek, an IT support company that can assist in addressing and optimizing computer performance.

Troubleshooting Tips for Slow Computers on macOS


1. Check Resource Usage

Open the Activity Monitor by navigating to "Applications" > "Utilities" > "Activity Monitor." Identify any processes that consume a significant amount of CPU, memory, or disk space. If possible, quit or uninstall unnecessary or resource-intensive applications to free up system resources.

This is where Activity Monitor locates
This is where Activity Monitor locates


2. Update macOS

Ensure that you have the latest version of macOS installed on your computer. Click on the Apple logo in the top left corner of the screen, select "System Settings," and click on "General" and click on "Software Update." macOS updates often include performance improvements and bug fixes.


3. Manage Login Items

Reduce the number of applications that launch automatically at startup. Open "System Settings," click on "General" and click on "Login Items." Remove unnecessary applications from the list by selecting them and clicking on the "-" button.


4. Clear Disk Space:

Ensure that your computer has sufficient free disk space. Open the Finder, select "Applications," and review the installed applications. Uninstall any unused applications to free up disk space. Additionally, remove unnecessary files and folders from the desktop and empty the trash regularly.



Troubleshooting Tips for Slow Computers on Windows


1. Check Resource Usage

Press Ctrl + Shift + Esc to open the Task Manager. Click on the "Processes" or "Details" tab to view the active processes and their resource usage. Identify any processes that consume a significant amount of CPU, memory, or disk space. If necessary, close or uninstall resource-intensive applications to free up system resources.


2. Update Windows

Ensure that you have the latest Windows updates installed on your computer. Go to "Settings" > "Update & Security" > "Windows Update" and click on "Check for updates." Install any available updates to benefit from performance improvements and bug fixes.


3. Manage Startup Programs

Reduce the number of programs that launch automatically at startup. Press Ctrl + Shift + Esc to open the Task Manager, navigate to the "Startup" tab, and disable unnecessary applications from starting up with Windows.


4. Disk Cleanup and Defragmentation

Perform a disk cleanup to remove temporary files and unnecessary system files. Press the Windows key, type "Disk Cleanup," and select the utility. Follow the prompts to select the disk and clean up unnecessary files. Additionally, consider running a disk defragmentation if your computer uses a traditional hard drive instead of an SSD.


Contact Chibitek for Expert Support

If the troubleshooting tips provided do not resolve the slow computer issues on macOS or Windows, it's recommended to seek expert assistance. Chibitek, an IT support company, offers professional assistance for a wide range of IT issues, including optimizing computer performance. Our experienced technicians can diagnose the underlying causes of slow performance, optimize system settings, and recommend hardware or software upgrades if necessary.


Experiencing a slow computer can significantly impact productivity and user experience. By following the troubleshooting tips specific to macOS and Windows versions outlined in this article, you can address common performance issues and optimize your computer's speed. However, if the problem persists or if you require expert support, don't hesitate to contact Chibitek. Our IT professionals can provide the expertise needed to diagnose and address the root cause of slow computer issues, ensuring optimal performance and efficiency. Contact Chibitek for reliable IT support and solutions to resolve your slow computer problems effectively.

bottom of page