How to Set a Custom Resolution for an External Monitor on macOS Sierra

Introduction

Setting a custom resolution for your external monitor on macOS Sierra can enhance your visual experience and optimize your workflow. Whether you are working on graphic design, video editing, or high-resolution gaming, finding the right resolution is crucial to achieving the best display quality. This guide will walk you through the process of configuring a custom resolution for your external monitor.

Steps to Set a Custom Resolution

Follow these detailed steps to set a custom resolution for your external monitor in macOS Sierra:

Connect the External Monitor
Ensure that your external monitor is properly connected to your Mac. Use the appropriate cable or adapter, and confirm that the monitor is powered on. Open System Preferences
Click on the Apple menu in the top-left corner of your screen, then select System Preferences. Go to Displays
Click on the Displays preference pane. If you have multiple displays, hold the Option key and click on the Detect Displays button to ensure that your external monitor is detected. Select the External Monitor
Select the external monitor you wish to configure. You can usually tell which monitor is selected by moving windows around or checking the display name in the Displays preferences. Select the Display Tab
Under the Display tab, you will see a list of available resolutions. By default, you may see “Default for Display” selected. Change the Resolution
Select Scaled if you need to see more resolution options. This will display a list of available resolutions. Use a Custom Resolution
If your desired resolution is not listed, you may need to use a third-party tool like SwitchResX or Display Menu. These applications allow you to create and apply custom resolutions. Apply Changes
Once you select your desired resolution, the display should adjust automatically. If it doesn’t look right, revert to the previous setting. Close System Preferences
After you are satisfied with the resolution, you can close the System Preferences window.

Additional Tips

Monitor Compatibility: Always ensure that your external monitor supports the resolution you are trying to set. Trying an unsupported resolution can lead to display issues. Alternate Solutions: If you are using a non-standard resolution, be cautious as it may lead to display problems. Consider using well-established third-party tools like SwitchResX to ensure stability.

Conclusion

By following these steps, you should be able to set a custom resolution for your external monitor on macOS Sierra. This process enhances your visual experience and optimizes your workflow, leading to a more enjoyable and productive computing experience.

If you frequently use multiple monitors or require specific resolutions, investing in a tool like SwitchResX may be well worth the cost. It offers advanced features and ensures that your display settings are stable and performant.